205923900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 288

約数和(自身を含む): 773839360

約数和(自身を除く): 567915460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 25, 26, 28, 30, 35, 38, 39, 42, 50, 52, 57, 60, 65, 70, 75, 76, 78, 84, 91, 95, 100, 105, 114, 130, 133, 140, 150, 156, 175, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 300, 325, 350, 364, 380, 390, 397, 399, 420, 455, 475, 494, 525, 532, 546, 570, 650, 665, 700, 741, 780, 794, 798, 910, 950, 975, 988, 1050, 1092, 1140, 1191, 1235, 1300, 1330, 1365, 1425, 1482, 1588, 1596, 1729, 1820, 1900, 1950, 1985, 1995, 2100, 2275, 2382, 2470, 2660, 2730, 2779, 2850, 2964, 3325, 3458, 3705, 3900, 3970, 3990, 4550, 4764, 4940, 5161, 5187, 5460, 5558, 5700, 5955, 6175, 6650, 6825, 6916, 7410, 7543, 7940, 7980, 8337, 8645, 9100, 9925, 9975, 10322, 10374, 11116, 11910, 12350, 13300, 13650, 13895, 14820, 15086, 15483, 16674, 17290, 18525, 19850, 19950, 20644, 20748, 22629, 23820, 24700, 25805, 25935, 27300, 27790, 29775, 30172, 30966, 33348, 34580, 36127, 37050, 37715, 39700, 39900, 41685, 43225, 45258, 51610, 51870, 52801, 55580, 59550, 61932, 69475, 72254, 74100, 75430, 77415, 83370, 86450, 90516, 98059, 103220, 103740, 105602, 108381, 113145, 119100, 129025, 129675, 138950, 144508, 150860, 154830, 158403, 166740, 172900, 180635, 188575, 196118, 208425, 211204, 216762, 226290, 258050, 259350, 264005, 277900, 294177, 309660, 316806, 361270, 377150, 387075, 392236, 416850, 433524, 452580, 490295, 516100, 518700, 528010, 541905, 565725, 588354, 633612, 686413, 722540, 754300, 774150, 792015, 833700, 903175, 980590, 1056020, 1083810, 1131450, 1176708, 1320025, 1372826, 1470885, 1548300, 1584030, 1806350, 1961180, 2059239, 2167620, 2262900, 2451475, 2640050, 2709525, 2745652, 2941770, 3168060, 3432065, 3612700, 3960075, 4118478, 4902950, 5280100, 5419050, 5883540, 6864130, 7354425, 7920150, 8236956, 9805900, 10296195, 10838100, 13728260, 14708850, 15840300, 17160325, 20592390, 29417700, 34320650, 41184780, 51480975, 68641300, 102961950, 205923900]

約数ペア:

[(1, 205923900), (2, 102961950), (3, 68641300), (4, 51480975), (5, 41184780), (6, 34320650), (7, 29417700), (10, 20592390), (12, 17160325), (13, 15840300), (14, 14708850), (15, 13728260), (19, 10838100), (20, 10296195), (21, 9805900), (25, 8236956), (26, 7920150), (28, 7354425), (30, 6864130), (35, 5883540), (38, 5419050), (39, 5280100), (42, 4902950), (50, 4118478), (52, 3960075), (57, 3612700), (60, 3432065), (65, 3168060), (70, 2941770), (75, 2745652), (76, 2709525), (78, 2640050), (84, 2451475), (91, 2262900), (95, 2167620), (100, 2059239), (105, 1961180), (114, 1806350), (130, 1584030), (133, 1548300), (140, 1470885), (150, 1372826), (156, 1320025), (175, 1176708), (182, 1131450), (190, 1083810), (195, 1056020), (210, 980590), (228, 903175), (247, 833700), (260, 792015), (266, 774150), (273, 754300), (285, 722540), (300, 686413), (325, 633612), (350, 588354), (364, 565725), (380, 541905), (390, 528010), (397, 518700), (399, 516100), (420, 490295), (455, 452580), (475, 433524), (494, 416850), (525, 392236), (532, 387075), (546, 377150), (570, 361270), (650, 316806), (665, 309660), (700, 294177), (741, 277900), (780, 264005), (794, 259350), (798, 258050), (910, 226290), (950, 216762), (975, 211204), (988, 208425), (1050, 196118), (1092, 188575), (1140, 180635), (1191, 172900), (1235, 166740), (1300, 158403), (1330, 154830), (1365, 150860), (1425, 144508), (1482, 138950), (1588, 129675), (1596, 129025), (1729, 119100), (1820, 113145), (1900, 108381), (1950, 105602), (1985, 103740), (1995, 103220), (2100, 98059), (2275, 90516), (2382, 86450), (2470, 83370), (2660, 77415), (2730, 75430), (2779, 74100), (2850, 72254), (2964, 69475), (3325, 61932), (3458, 59550), (3705, 55580), (3900, 52801), (3970, 51870), (3990, 51610), (4550, 45258), (4764, 43225), (4940, 41685), (5161, 39900), (5187, 39700), (5460, 37715), (5558, 37050), (5700, 36127), (5955, 34580), (6175, 33348), (6650, 30966), (6825, 30172), (6916, 29775), (7410, 27790), (7543, 27300), (7940, 25935), (7980, 25805), (8337, 24700), (8645, 23820), (9100, 22629), (9925, 20748), (9975, 20644), (10322, 19950), (10374, 19850), (11116, 18525), (11910, 17290), (12350, 16674), (13300, 15483), (13650, 15086), (13895, 14820)]