238734520

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{10601}}^1$

素因数の和:11175

約数の個数: 32

約数和(自身を含む): 538157520

約数和(自身を除く): 299423000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 10601, 11260, 21202, 22520, 42404, 53005, 84808, 106010, 212020, 424040, 5968363, 11936726, 23873452, 29841815, 47746904, 59683630, 119367260, 238734520]

約数ペア:

[(1, 238734520), (2, 119367260), (4, 59683630), (5, 47746904), (8, 29841815), (10, 23873452), (20, 11936726), (40, 5968363), (563, 424040), (1126, 212020), (2252, 106010), (2815, 84808), (4504, 53005), (5630, 42404), (10601, 22520), (11260, 21202)]