1918450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 3943944

約数和(自身を除く): 2025494

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 61, 74, 85, 122, 170, 185, 305, 370, 425, 610, 629, 850, 925, 1037, 1258, 1525, 1850, 2074, 2257, 3050, 3145, 4514, 5185, 6290, 10370, 11285, 15725, 22570, 25925, 31450, 38369, 51850, 56425, 76738, 112850, 191845, 383690, 959225, 1918450]

約数ペア:

[(1, 1918450), (2, 959225), (5, 383690), (10, 191845), (17, 112850), (25, 76738), (34, 56425), (37, 51850), (50, 38369), (61, 31450), (74, 25925), (85, 22570), (122, 15725), (170, 11285), (185, 10370), (305, 6290), (370, 5185), (425, 4514), (610, 3145), (629, 3050), (850, 2257), (925, 2074), (1037, 1850), (1258, 1525)]