211265420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{827}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 454452768

約数和(自身を除く): 243187348

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 241, 265, 482, 530, 827, 964, 1060, 1205, 1654, 2410, 3308, 4135, 4820, 8270, 12773, 16540, 25546, 43831, 51092, 63865, 87662, 127730, 175324, 199307, 219155, 255460, 398614, 438310, 797228, 876620, 996535, 1993070, 3986140, 10563271, 21126542, 42253084, 52816355, 105632710, 211265420]

約数ペア:

[(1, 211265420), (2, 105632710), (4, 52816355), (5, 42253084), (10, 21126542), (20, 10563271), (53, 3986140), (106, 1993070), (212, 996535), (241, 876620), (265, 797228), (482, 438310), (530, 398614), (827, 255460), (964, 219155), (1060, 199307), (1205, 175324), (1654, 127730), (2410, 87662), (3308, 63865), (4135, 51092), (4820, 43831), (8270, 25546), (12773, 16540)]