308796880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{551423}}^1$

素因数の和:551443

約数の個数: 40

約数和(自身を含む): 820518912

約数和(自身を除く): 511722032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 551423, 1102846, 2205692, 2757115, 3859961, 4411384, 5514230, 7719922, 8822768, 11028460, 15439844, 19299805, 22056920, 30879688, 38599610, 44113840, 61759376, 77199220, 154398440, 308796880]

約数ペア:

[(1, 308796880), (2, 154398440), (4, 77199220), (5, 61759376), (7, 44113840), (8, 38599610), (10, 30879688), (14, 22056920), (16, 19299805), (20, 15439844), (28, 11028460), (35, 8822768), (40, 7719922), (56, 5514230), (70, 4411384), (80, 3859961), (112, 2757115), (140, 2205692), (280, 1102846), (560, 551423)]