393248890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{13183}}^1$

素因数の和:13366

約数の個数: 32

約数和(自身を含む): 749905920

約数和(自身を除く): 356657030

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2983, 5966, 13183, 14915, 26366, 29830, 65915, 131830, 250477, 500954, 1252385, 2069731, 2504770, 4139462, 10348655, 20697310, 39324889, 78649778, 196624445, 393248890]

約数ペア:

[(1, 393248890), (2, 196624445), (5, 78649778), (10, 39324889), (19, 20697310), (38, 10348655), (95, 4139462), (157, 2504770), (190, 2069731), (314, 1252385), (785, 500954), (1570, 250477), (2983, 131830), (5966, 65915), (13183, 29830), (14915, 26366)]