375999620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{1559}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 817689600

約数和(自身を除く): 441689980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 389, 620, 778, 1556, 1559, 1945, 3118, 3890, 6236, 7780, 7795, 12059, 15590, 24118, 31180, 48236, 48329, 60295, 96658, 120590, 193316, 241180, 241645, 483290, 606451, 966580, 1212902, 2425804, 3032255, 6064510, 12129020, 18799981, 37599962, 75199924, 93999905, 187999810, 375999620]

約数ペア:

[(1, 375999620), (2, 187999810), (4, 93999905), (5, 75199924), (10, 37599962), (20, 18799981), (31, 12129020), (62, 6064510), (124, 3032255), (155, 2425804), (310, 1212902), (389, 966580), (620, 606451), (778, 483290), (1556, 241645), (1559, 241180), (1945, 193316), (3118, 120590), (3890, 96658), (6236, 60295), (7780, 48329), (7795, 48236), (12059, 31180), (15590, 24118)]