8197750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 16930368

約数和(自身を除く): 8732618

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 271, 275, 542, 550, 605, 1210, 1355, 1375, 2710, 2750, 2981, 3025, 5962, 6050, 6775, 13550, 14905, 15125, 29810, 30250, 32791, 33875, 65582, 67750, 74525, 149050, 163955, 327910, 372625, 745250, 819775, 1639550, 4098875, 8197750]

約数ペア:

[(1, 8197750), (2, 4098875), (5, 1639550), (10, 819775), (11, 745250), (22, 372625), (25, 327910), (50, 163955), (55, 149050), (110, 74525), (121, 67750), (125, 65582), (242, 33875), (250, 32791), (271, 30250), (275, 29810), (542, 15125), (550, 14905), (605, 13550), (1210, 6775), (1355, 6050), (1375, 5962), (2710, 3025), (2750, 2981)]