31300400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4603}}^1$

素因数の和:4638

約数の個数: 60

約数和(自身を含む): 79639992

約数和(自身を除く): 48339592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 4603, 6800, 9206, 18412, 23015, 36824, 46030, 73648, 78251, 92060, 115075, 156502, 184120, 230150, 313004, 368240, 391255, 460300, 626008, 782510, 920600, 1252016, 1565020, 1841200, 1956275, 3130040, 3912550, 6260080, 7825100, 15650200, 31300400]

約数ペア:

[(1, 31300400), (2, 15650200), (4, 7825100), (5, 6260080), (8, 3912550), (10, 3130040), (16, 1956275), (17, 1841200), (20, 1565020), (25, 1252016), (34, 920600), (40, 782510), (50, 626008), (68, 460300), (80, 391255), (85, 368240), (100, 313004), (136, 230150), (170, 184120), (200, 156502), (272, 115075), (340, 92060), (400, 78251), (425, 73648), (680, 46030), (850, 36824), (1360, 23015), (1700, 18412), (3400, 9206), (4603, 6800)]