420139870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{9397}}^1$

素因数の和:9684

約数の個数: 32

約数和(自身を含む): 803867328

約数和(自身を除く): 383727458

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 526, 1315, 2630, 4471, 8942, 9397, 18794, 22355, 44710, 46985, 93970, 159749, 319498, 798745, 1597490, 2471411, 4942822, 12357055, 24714110, 42013987, 84027974, 210069935, 420139870]

約数ペア:

[(1, 420139870), (2, 210069935), (5, 84027974), (10, 42013987), (17, 24714110), (34, 12357055), (85, 4942822), (170, 2471411), (263, 1597490), (526, 798745), (1315, 319498), (2630, 159749), (4471, 93970), (8942, 46985), (9397, 44710), (18794, 22355)]