427444870

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{109883}}^1$

素因数の和:110279

約数の個数: 16

約数和(自身を含む): 771385680

約数和(自身を除く): 343940810

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 109883, 219766, 549415, 1098830, 42744487, 85488974, 213722435, 427444870]

約数ペア:

[(1, 427444870), (2, 213722435), (5, 85488974), (10, 42744487), (389, 1098830), (778, 549415), (1945, 219766), (3890, 109883)]