2720236820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2417}}^1\times {\mathrm{8039}}^1$

素因数の和:10472

約数の個数: 48

約数和(自身を含む): 6532081920

約数和(自身を除く): 3811845100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2417, 4834, 8039, 9668, 12085, 16078, 16919, 24170, 32156, 33838, 40195, 48340, 56273, 67676, 80390, 84595, 112546, 160780, 169190, 225092, 281365, 338380, 562730, 1125460, 19430263, 38860526, 77721052, 97151315, 136011841, 194302630, 272023682, 388605260, 544047364, 680059205, 1360118410, 2720236820]

約数ペア:

[(1, 2720236820), (2, 1360118410), (4, 680059205), (5, 544047364), (7, 388605260), (10, 272023682), (14, 194302630), (20, 136011841), (28, 97151315), (35, 77721052), (70, 38860526), (140, 19430263), (2417, 1125460), (4834, 562730), (8039, 338380), (9668, 281365), (12085, 225092), (16078, 169190), (16919, 160780), (24170, 112546), (32156, 84595), (33838, 80390), (40195, 67676), (48340, 56273)]