205767900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 216

約数和(自身を含む): 712471760

約数和(自身を除く): 506703860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 43, 45, 50, 52, 60, 65, 75, 78, 86, 90, 100, 117, 129, 130, 150, 156, 172, 180, 195, 215, 225, 234, 258, 260, 300, 325, 387, 390, 409, 430, 450, 468, 516, 559, 585, 645, 650, 774, 780, 818, 860, 900, 975, 1075, 1118, 1170, 1227, 1290, 1300, 1548, 1636, 1677, 1935, 1950, 2045, 2150, 2236, 2340, 2454, 2580, 2795, 2925, 3225, 3354, 3681, 3870, 3900, 4090, 4300, 4908, 5031, 5317, 5590, 5850, 6135, 6450, 6708, 7362, 7740, 8180, 8385, 9675, 10062, 10225, 10634, 11180, 11700, 12270, 12900, 13975, 14724, 15951, 16770, 17587, 18405, 19350, 20124, 20450, 21268, 24540, 25155, 26585, 27950, 30675, 31902, 33540, 35174, 36810, 38700, 40900, 41925, 47853, 50310, 52761, 53170, 55900, 61350, 63804, 70348, 73620, 79755, 83850, 87935, 92025, 95706, 100620, 105522, 106340, 122700, 125775, 132925, 158283, 159510, 167700, 175870, 184050, 191412, 211044, 228631, 239265, 251550, 263805, 265850, 316566, 319020, 351740, 368100, 398775, 439675, 457262, 478530, 503100, 527610, 531700, 633132, 685893, 791415, 797550, 879350, 914524, 957060, 1055220, 1143155, 1196325, 1319025, 1371786, 1582830, 1595100, 1758700, 2057679, 2286310, 2392650, 2638050, 2743572, 3165660, 3429465, 3957075, 4115358, 4572620, 4785300, 5276100, 5715775, 6858930, 7914150, 8230716, 10288395, 11431550, 13717860, 15828300, 17147325, 20576790, 22863100, 34294650, 41153580, 51441975, 68589300, 102883950, 205767900]

約数ペア:

[(1, 205767900), (2, 102883950), (3, 68589300), (4, 51441975), (5, 41153580), (6, 34294650), (9, 22863100), (10, 20576790), (12, 17147325), (13, 15828300), (15, 13717860), (18, 11431550), (20, 10288395), (25, 8230716), (26, 7914150), (30, 6858930), (36, 5715775), (39, 5276100), (43, 4785300), (45, 4572620), (50, 4115358), (52, 3957075), (60, 3429465), (65, 3165660), (75, 2743572), (78, 2638050), (86, 2392650), (90, 2286310), (100, 2057679), (117, 1758700), (129, 1595100), (130, 1582830), (150, 1371786), (156, 1319025), (172, 1196325), (180, 1143155), (195, 1055220), (215, 957060), (225, 914524), (234, 879350), (258, 797550), (260, 791415), (300, 685893), (325, 633132), (387, 531700), (390, 527610), (409, 503100), (430, 478530), (450, 457262), (468, 439675), (516, 398775), (559, 368100), (585, 351740), (645, 319020), (650, 316566), (774, 265850), (780, 263805), (818, 251550), (860, 239265), (900, 228631), (975, 211044), (1075, 191412), (1118, 184050), (1170, 175870), (1227, 167700), (1290, 159510), (1300, 158283), (1548, 132925), (1636, 125775), (1677, 122700), (1935, 106340), (1950, 105522), (2045, 100620), (2150, 95706), (2236, 92025), (2340, 87935), (2454, 83850), (2580, 79755), (2795, 73620), (2925, 70348), (3225, 63804), (3354, 61350), (3681, 55900), (3870, 53170), (3900, 52761), (4090, 50310), (4300, 47853), (4908, 41925), (5031, 40900), (5317, 38700), (5590, 36810), (5850, 35174), (6135, 33540), (6450, 31902), (6708, 30675), (7362, 27950), (7740, 26585), (8180, 25155), (8385, 24540), (9675, 21268), (10062, 20450), (10225, 20124), (10634, 19350), (11180, 18405), (11700, 17587), (12270, 16770), (12900, 15951), (13975, 14724)]