257319030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{295769}}^1$

素因数の和:295808

約数の個数: 32

約数和(自身を含む): 638863200

約数和(自身を除く): 381544170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 295769, 591538, 887307, 1478845, 1774614, 2957690, 4436535, 8577301, 8873070, 17154602, 25731903, 42886505, 51463806, 85773010, 128659515, 257319030]

約数ペア:

[(1, 257319030), (2, 128659515), (3, 85773010), (5, 51463806), (6, 42886505), (10, 25731903), (15, 17154602), (29, 8873070), (30, 8577301), (58, 4436535), (87, 2957690), (145, 1774614), (174, 1478845), (290, 887307), (435, 591538), (870, 295769)]