28763686040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{13339}}^1$

素因数の和:13465

約数の個数: 128

約数和(自身を含む): 70076620800

約数和(自身を除く): 41312934760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 47, 62, 74, 94, 124, 148, 155, 185, 188, 235, 248, 296, 310, 370, 376, 470, 620, 740, 940, 1147, 1240, 1457, 1480, 1739, 1880, 2294, 2914, 3478, 4588, 5735, 5828, 6956, 7285, 8695, 9176, 11470, 11656, 13339, 13912, 14570, 17390, 22940, 26678, 29140, 34780, 45880, 53356, 53909, 58280, 66695, 69560, 106712, 107818, 133390, 215636, 266780, 269545, 413509, 431272, 493543, 533560, 539090, 626933, 827018, 987086, 1078180, 1253866, 1654036, 1974172, 2067545, 2156360, 2467715, 2507732, 3134665, 3308072, 3948344, 4135090, 4935430, 5015464, 6269330, 8270180, 9870860, 12538660, 15299833, 16540360, 19434923, 19741720, 23196521, 25077320, 30599666, 38869846, 46393042, 61199332, 76499165, 77739692, 92786084, 97174615, 115982605, 122398664, 152998330, 155479384, 185572168, 194349230, 231965210, 305996660, 388698460, 463930420, 611993320, 719092151, 777396920, 927860840, 1438184302, 2876368604, 3595460755, 5752737208, 7190921510, 14381843020, 28763686040]

約数ペア:

[(1, 28763686040), (2, 14381843020), (4, 7190921510), (5, 5752737208), (8, 3595460755), (10, 2876368604), (20, 1438184302), (31, 927860840), (37, 777396920), (40, 719092151), (47, 611993320), (62, 463930420), (74, 388698460), (94, 305996660), (124, 231965210), (148, 194349230), (155, 185572168), (185, 155479384), (188, 152998330), (235, 122398664), (248, 115982605), (296, 97174615), (310, 92786084), (370, 77739692), (376, 76499165), (470, 61199332), (620, 46393042), (740, 38869846), (940, 30599666), (1147, 25077320), (1240, 23196521), (1457, 19741720), (1480, 19434923), (1739, 16540360), (1880, 15299833), (2294, 12538660), (2914, 9870860), (3478, 8270180), (4588, 6269330), (5735, 5015464), (5828, 4935430), (6956, 4135090), (7285, 3948344), (8695, 3308072), (9176, 3134665), (11470, 2507732), (11656, 2467715), (13339, 2156360), (13912, 2067545), (14570, 1974172), (17390, 1654036), (22940, 1253866), (26678, 1078180), (29140, 987086), (34780, 827018), (45880, 626933), (53356, 539090), (53909, 533560), (58280, 493543), (66695, 431272), (69560, 413509), (106712, 269545), (107818, 266780), (133390, 215636)]