1972850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 4258656

約数和(自身を除く): 2285806

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 211, 275, 374, 422, 425, 550, 850, 935, 1055, 1870, 2110, 2321, 3587, 4642, 4675, 5275, 7174, 9350, 10550, 11605, 17935, 23210, 35870, 39457, 58025, 78914, 89675, 116050, 179350, 197285, 394570, 986425, 1972850]

約数ペア:

[(1, 1972850), (2, 986425), (5, 394570), (10, 197285), (11, 179350), (17, 116050), (22, 89675), (25, 78914), (34, 58025), (50, 39457), (55, 35870), (85, 23210), (110, 17935), (170, 11605), (187, 10550), (211, 9350), (275, 7174), (374, 5275), (422, 4675), (425, 4642), (550, 3587), (850, 2321), (935, 2110), (1055, 1870)]