31171400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 82286400

約数和(自身を除く): 51115000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 475, 494, 520, 631, 650, 760, 950, 988, 1235, 1262, 1300, 1900, 1976, 2470, 2524, 2600, 3155, 3800, 4940, 5048, 6175, 6310, 8203, 9880, 11989, 12350, 12620, 15775, 16406, 23978, 24700, 25240, 31550, 32812, 41015, 47956, 49400, 59945, 63100, 65624, 82030, 95912, 119890, 126200, 155857, 164060, 205075, 239780, 299725, 311714, 328120, 410150, 479560, 599450, 623428, 779285, 820300, 1198900, 1246856, 1558570, 1640600, 2397800, 3117140, 3896425, 6234280, 7792850, 15585700, 31171400]

約数ペア:

[(1, 31171400), (2, 15585700), (4, 7792850), (5, 6234280), (8, 3896425), (10, 3117140), (13, 2397800), (19, 1640600), (20, 1558570), (25, 1246856), (26, 1198900), (38, 820300), (40, 779285), (50, 623428), (52, 599450), (65, 479560), (76, 410150), (95, 328120), (100, 311714), (104, 299725), (130, 239780), (152, 205075), (190, 164060), (200, 155857), (247, 126200), (260, 119890), (325, 95912), (380, 82030), (475, 65624), (494, 63100), (520, 59945), (631, 49400), (650, 47956), (760, 41015), (950, 32812), (988, 31550), (1235, 25240), (1262, 24700), (1300, 23978), (1900, 16406), (1976, 15775), (2470, 12620), (2524, 12350), (2600, 11989), (3155, 9880), (3800, 8203), (4940, 6310), (5048, 6175)]