221041870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{20113}}^1$

素因数の和:20284

約数の個数: 32

約数和(自身を含む): 457633728

約数和(自身を除く): 236591858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 20113, 40226, 100565, 140791, 201130, 281582, 703955, 1407910, 3157741, 6315482, 15788705, 22104187, 31577410, 44208374, 110520935, 221041870]

約数ペア:

[(1, 221041870), (2, 110520935), (5, 44208374), (7, 31577410), (10, 22104187), (14, 15788705), (35, 6315482), (70, 3157741), (157, 1407910), (314, 703955), (785, 281582), (1099, 201130), (1570, 140791), (2198, 100565), (5495, 40226), (10990, 20113)]