890403900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2564

約数の個数: 144

約数和(自身を含む): 2767322880

約数和(自身を除く): 1876918980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 71, 75, 85, 100, 102, 142, 150, 170, 204, 213, 255, 284, 300, 340, 355, 425, 426, 510, 710, 850, 852, 1020, 1065, 1207, 1275, 1420, 1700, 1775, 2130, 2414, 2459, 2550, 3550, 3621, 4260, 4828, 4918, 5100, 5325, 6035, 7100, 7242, 7377, 9836, 10650, 12070, 12295, 14484, 14754, 18105, 21300, 24140, 24590, 29508, 30175, 36210, 36885, 41803, 49180, 60350, 61475, 72420, 73770, 83606, 90525, 120700, 122950, 125409, 147540, 167212, 174589, 181050, 184425, 209015, 245900, 250818, 349178, 362100, 368850, 418030, 501636, 523767, 627045, 698356, 737700, 836060, 872945, 1045075, 1047534, 1254090, 1745890, 2090150, 2095068, 2508180, 2618835, 2968013, 3135225, 3491780, 4180300, 4364725, 5237670, 5936026, 6270450, 8729450, 8904039, 10475340, 11872052, 12540900, 13094175, 14840065, 17458900, 17808078, 26188350, 29680130, 35616156, 44520195, 52376700, 59360260, 74200325, 89040390, 148400650, 178080780, 222600975, 296801300, 445201950, 890403900]

約数ペア:

[(1, 890403900), (2, 445201950), (3, 296801300), (4, 222600975), (5, 178080780), (6, 148400650), (10, 89040390), (12, 74200325), (15, 59360260), (17, 52376700), (20, 44520195), (25, 35616156), (30, 29680130), (34, 26188350), (50, 17808078), (51, 17458900), (60, 14840065), (68, 13094175), (71, 12540900), (75, 11872052), (85, 10475340), (100, 8904039), (102, 8729450), (142, 6270450), (150, 5936026), (170, 5237670), (204, 4364725), (213, 4180300), (255, 3491780), (284, 3135225), (300, 2968013), (340, 2618835), (355, 2508180), (425, 2095068), (426, 2090150), (510, 1745890), (710, 1254090), (850, 1047534), (852, 1045075), (1020, 872945), (1065, 836060), (1207, 737700), (1275, 698356), (1420, 627045), (1700, 523767), (1775, 501636), (2130, 418030), (2414, 368850), (2459, 362100), (2550, 349178), (3550, 250818), (3621, 245900), (4260, 209015), (4828, 184425), (4918, 181050), (5100, 174589), (5325, 167212), (6035, 147540), (7100, 125409), (7242, 122950), (7377, 120700), (9836, 90525), (10650, 83606), (12070, 73770), (12295, 72420), (14484, 61475), (14754, 60350), (18105, 49180), (21300, 41803), (24140, 36885), (24590, 36210), (29508, 30175)]