513071000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 128

約数和(自身を含む): 1316165760

約数和(自身を除く): 803094760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 125, 130, 200, 244, 250, 260, 305, 325, 488, 500, 520, 610, 647, 650, 793, 1000, 1220, 1294, 1300, 1525, 1586, 1625, 2440, 2588, 2600, 3050, 3172, 3235, 3250, 3965, 5176, 6100, 6344, 6470, 6500, 7625, 7930, 8411, 12200, 12940, 13000, 15250, 15860, 16175, 16822, 19825, 25880, 30500, 31720, 32350, 33644, 39467, 39650, 42055, 61000, 64700, 67288, 78934, 79300, 80875, 84110, 99125, 129400, 157868, 158600, 161750, 168220, 197335, 198250, 210275, 315736, 323500, 336440, 394670, 396500, 420550, 513071, 647000, 789340, 793000, 841100, 986675, 1026142, 1051375, 1578680, 1682200, 1973350, 2052284, 2102750, 2565355, 3946700, 4104568, 4205500, 4933375, 5130710, 7893400, 8411000, 9866750, 10261420, 12826775, 19733500, 20522840, 25653550, 39467000, 51307100, 64133875, 102614200, 128267750, 256535500, 513071000]

約数ペア:

[(1, 513071000), (2, 256535500), (4, 128267750), (5, 102614200), (8, 64133875), (10, 51307100), (13, 39467000), (20, 25653550), (25, 20522840), (26, 19733500), (40, 12826775), (50, 10261420), (52, 9866750), (61, 8411000), (65, 7893400), (100, 5130710), (104, 4933375), (122, 4205500), (125, 4104568), (130, 3946700), (200, 2565355), (244, 2102750), (250, 2052284), (260, 1973350), (305, 1682200), (325, 1578680), (488, 1051375), (500, 1026142), (520, 986675), (610, 841100), (647, 793000), (650, 789340), (793, 647000), (1000, 513071), (1220, 420550), (1294, 396500), (1300, 394670), (1525, 336440), (1586, 323500), (1625, 315736), (2440, 210275), (2588, 198250), (2600, 197335), (3050, 168220), (3172, 161750), (3235, 158600), (3250, 157868), (3965, 129400), (5176, 99125), (6100, 84110), (6344, 80875), (6470, 79300), (6500, 78934), (7625, 67288), (7930, 64700), (8411, 61000), (12200, 42055), (12940, 39650), (13000, 39467), (15250, 33644), (15860, 32350), (16175, 31720), (16822, 30500), (19825, 25880)]