28605900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 89994240

約数和(自身を除く): 61388340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 71, 75, 79, 85, 100, 102, 142, 150, 158, 170, 204, 213, 237, 255, 284, 300, 316, 340, 355, 395, 425, 426, 474, 510, 710, 790, 850, 852, 948, 1020, 1065, 1185, 1207, 1275, 1343, 1420, 1580, 1700, 1775, 1975, 2130, 2370, 2414, 2550, 2686, 3550, 3621, 3950, 4029, 4260, 4740, 4828, 5100, 5325, 5372, 5609, 5925, 6035, 6715, 7100, 7242, 7900, 8058, 10650, 11218, 11850, 12070, 13430, 14484, 16116, 16827, 18105, 20145, 21300, 22436, 23700, 24140, 26860, 28045, 30175, 33575, 33654, 36210, 40290, 56090, 60350, 67150, 67308, 72420, 80580, 84135, 90525, 95353, 100725, 112180, 120700, 134300, 140225, 168270, 181050, 190706, 201450, 280450, 286059, 336540, 362100, 381412, 402900, 420675, 476765, 560900, 572118, 841350, 953530, 1144236, 1430295, 1682700, 1907060, 2383825, 2860590, 4767650, 5721180, 7151475, 9535300, 14302950, 28605900]

約数ペア:

[(1, 28605900), (2, 14302950), (3, 9535300), (4, 7151475), (5, 5721180), (6, 4767650), (10, 2860590), (12, 2383825), (15, 1907060), (17, 1682700), (20, 1430295), (25, 1144236), (30, 953530), (34, 841350), (50, 572118), (51, 560900), (60, 476765), (68, 420675), (71, 402900), (75, 381412), (79, 362100), (85, 336540), (100, 286059), (102, 280450), (142, 201450), (150, 190706), (158, 181050), (170, 168270), (204, 140225), (213, 134300), (237, 120700), (255, 112180), (284, 100725), (300, 95353), (316, 90525), (340, 84135), (355, 80580), (395, 72420), (425, 67308), (426, 67150), (474, 60350), (510, 56090), (710, 40290), (790, 36210), (850, 33654), (852, 33575), (948, 30175), (1020, 28045), (1065, 26860), (1185, 24140), (1207, 23700), (1275, 22436), (1343, 21300), (1420, 20145), (1580, 18105), (1700, 16827), (1775, 16116), (1975, 14484), (2130, 13430), (2370, 12070), (2414, 11850), (2550, 11218), (2686, 10650), (3550, 8058), (3621, 7900), (3950, 7242), (4029, 7100), (4260, 6715), (4740, 6035), (4828, 5925), (5100, 5609), (5325, 5372)]