388413200

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 240

約数和(自身を含む): 1153200000

約数和(自身を除く): 764786800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 133, 140, 149, 152, 175, 190, 196, 200, 245, 266, 280, 298, 304, 343, 350, 380, 392, 400, 475, 490, 532, 560, 596, 665, 686, 700, 745, 760, 784, 931, 950, 980, 1043, 1064, 1192, 1225, 1330, 1372, 1400, 1490, 1520, 1715, 1862, 1900, 1960, 2086, 2128, 2384, 2450, 2660, 2744, 2800, 2831, 2980, 3325, 3430, 3724, 3725, 3800, 3920, 4172, 4655, 4900, 5215, 5320, 5488, 5662, 5960, 6517, 6650, 6860, 7301, 7448, 7450, 7600, 8344, 8575, 9310, 9800, 10430, 10640, 11324, 11920, 13034, 13300, 13720, 14155, 14602, 14896, 14900, 16688, 17150, 18620, 19600, 19817, 20860, 22648, 23275, 26068, 26075, 26600, 27440, 28310, 29204, 29800, 32585, 34300, 36505, 37240, 39634, 41720, 45296, 46550, 51107, 52136, 52150, 53200, 56620, 58408, 59600, 65170, 68600, 70775, 73010, 74480, 79268, 83440, 93100, 99085, 102214, 104272, 104300, 113240, 116816, 130340, 137200, 138719, 141550, 146020, 158536, 162925, 182525, 186200, 198170, 204428, 208600, 226480, 255535, 260680, 277438, 283100, 292040, 317072, 325850, 365050, 372400, 396340, 408856, 417200, 495425, 511070, 521360, 554876, 566200, 584080, 651700, 693595, 730100, 792680, 817712, 971033, 990850, 1022140, 1109752, 1132400, 1277675, 1303400, 1387190, 1460200, 1585360, 1942066, 1981700, 2044280, 2219504, 2555350, 2606800, 2774380, 2920400, 3467975, 3884132, 3963400, 4088560, 4855165, 5110700, 5548760, 6935950, 7768264, 7926800, 9710330, 10221400, 11097520, 13871900, 15536528, 19420660, 20442800, 24275825, 27743800, 38841320, 48551650, 55487600, 77682640, 97103300, 194206600, 388413200]

約数ペア:

[(1, 388413200), (2, 194206600), (4, 97103300), (5, 77682640), (7, 55487600), (8, 48551650), (10, 38841320), (14, 27743800), (16, 24275825), (19, 20442800), (20, 19420660), (25, 15536528), (28, 13871900), (35, 11097520), (38, 10221400), (40, 9710330), (49, 7926800), (50, 7768264), (56, 6935950), (70, 5548760), (76, 5110700), (80, 4855165), (95, 4088560), (98, 3963400), (100, 3884132), (112, 3467975), (133, 2920400), (140, 2774380), (149, 2606800), (152, 2555350), (175, 2219504), (190, 2044280), (196, 1981700), (200, 1942066), (245, 1585360), (266, 1460200), (280, 1387190), (298, 1303400), (304, 1277675), (343, 1132400), (350, 1109752), (380, 1022140), (392, 990850), (400, 971033), (475, 817712), (490, 792680), (532, 730100), (560, 693595), (596, 651700), (665, 584080), (686, 566200), (700, 554876), (745, 521360), (760, 511070), (784, 495425), (931, 417200), (950, 408856), (980, 396340), (1043, 372400), (1064, 365050), (1192, 325850), (1225, 317072), (1330, 292040), (1372, 283100), (1400, 277438), (1490, 260680), (1520, 255535), (1715, 226480), (1862, 208600), (1900, 204428), (1960, 198170), (2086, 186200), (2128, 182525), (2384, 162925), (2450, 158536), (2660, 146020), (2744, 141550), (2800, 138719), (2831, 137200), (2980, 130340), (3325, 116816), (3430, 113240), (3724, 104300), (3725, 104272), (3800, 102214), (3920, 99085), (4172, 93100), (4655, 83440), (4900, 79268), (5215, 74480), (5320, 73010), (5488, 70775), (5662, 68600), (5960, 65170), (6517, 59600), (6650, 58408), (6860, 56620), (7301, 53200), (7448, 52150), (7450, 52136), (7600, 51107), (8344, 46550), (8575, 45296), (9310, 41720), (9800, 39634), (10430, 37240), (10640, 36505), (11324, 34300), (11920, 32585), (13034, 29800), (13300, 29204), (13720, 28310), (14155, 27440), (14602, 26600), (14896, 26075), (14900, 26068), (16688, 23275), (17150, 22648), (18620, 20860), (19600, 19817)]