67242100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 152768000

約数和(自身を除く): 85525900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 109, 124, 155, 199, 218, 310, 398, 436, 545, 620, 775, 796, 995, 1090, 1550, 1990, 2180, 2725, 3100, 3379, 3980, 4975, 5450, 6169, 6758, 9950, 10900, 12338, 13516, 16895, 19900, 21691, 24676, 30845, 33790, 43382, 61690, 67580, 84475, 86764, 108455, 123380, 154225, 168950, 216910, 308450, 337900, 433820, 542275, 616900, 672421, 1084550, 1344842, 2169100, 2689684, 3362105, 6724210, 13448420, 16810525, 33621050, 67242100]

約数ペア:

[(1, 67242100), (2, 33621050), (4, 16810525), (5, 13448420), (10, 6724210), (20, 3362105), (25, 2689684), (31, 2169100), (50, 1344842), (62, 1084550), (100, 672421), (109, 616900), (124, 542275), (155, 433820), (199, 337900), (218, 308450), (310, 216910), (398, 168950), (436, 154225), (545, 123380), (620, 108455), (775, 86764), (796, 84475), (995, 67580), (1090, 61690), (1550, 43382), (1990, 33790), (2180, 30845), (2725, 24676), (3100, 21691), (3379, 19900), (3980, 16895), (4975, 13516), (5450, 12338), (6169, 10900), (6758, 9950)]