201047020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 432498528

約数和(自身を除く): 231451508

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 241, 265, 482, 530, 787, 964, 1060, 1205, 1574, 2410, 3148, 3935, 4820, 7870, 12773, 15740, 25546, 41711, 51092, 63865, 83422, 127730, 166844, 189667, 208555, 255460, 379334, 417110, 758668, 834220, 948335, 1896670, 3793340, 10052351, 20104702, 40209404, 50261755, 100523510, 201047020]

約数ペア:

[(1, 201047020), (2, 100523510), (4, 50261755), (5, 40209404), (10, 20104702), (20, 10052351), (53, 3793340), (106, 1896670), (212, 948335), (241, 834220), (265, 758668), (482, 417110), (530, 379334), (787, 255460), (964, 208555), (1060, 189667), (1205, 166844), (1574, 127730), (2410, 83422), (3148, 63865), (3935, 51092), (4820, 41711), (7870, 25546), (12773, 15740)]