310995750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 845365248

約数和(自身を除く): 534369498

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 167, 191, 195, 250, 325, 334, 375, 382, 390, 501, 573, 650, 750, 835, 955, 975, 1002, 1146, 1625, 1670, 1910, 1950, 2171, 2483, 2505, 2865, 3250, 4175, 4342, 4775, 4875, 4966, 5010, 5730, 6513, 7449, 8350, 9550, 9750, 10855, 12415, 12525, 13026, 14325, 14898, 20875, 21710, 23875, 24830, 25050, 28650, 31897, 32565, 37245, 41750, 47750, 54275, 62075, 62625, 63794, 65130, 71625, 74490, 95691, 108550, 124150, 125250, 143250, 159485, 162825, 186225, 191382, 271375, 310375, 318970, 325650, 372450, 414661, 478455, 542750, 620750, 797425, 814125, 829322, 931125, 956910, 1243983, 1594850, 1628250, 1862250, 2073305, 2392275, 2487966, 3987125, 4146610, 4784550, 6219915, 7974250, 10366525, 11961375, 12439830, 20733050, 23922750, 31099575, 51832625, 62199150, 103665250, 155497875, 310995750]

約数ペア:

[(1, 310995750), (2, 155497875), (3, 103665250), (5, 62199150), (6, 51832625), (10, 31099575), (13, 23922750), (15, 20733050), (25, 12439830), (26, 11961375), (30, 10366525), (39, 7974250), (50, 6219915), (65, 4784550), (75, 4146610), (78, 3987125), (125, 2487966), (130, 2392275), (150, 2073305), (167, 1862250), (191, 1628250), (195, 1594850), (250, 1243983), (325, 956910), (334, 931125), (375, 829322), (382, 814125), (390, 797425), (501, 620750), (573, 542750), (650, 478455), (750, 414661), (835, 372450), (955, 325650), (975, 318970), (1002, 310375), (1146, 271375), (1625, 191382), (1670, 186225), (1910, 162825), (1950, 159485), (2171, 143250), (2483, 125250), (2505, 124150), (2865, 108550), (3250, 95691), (4175, 74490), (4342, 71625), (4775, 65130), (4875, 63794), (4966, 62625), (5010, 62075), (5730, 54275), (6513, 47750), (7449, 41750), (8350, 37245), (9550, 32565), (9750, 31897), (10855, 28650), (12415, 25050), (12525, 24830), (13026, 23875), (14325, 21710), (14898, 20875)]