218308520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{188197}}^1$

素因数の和:188237

約数の個数: 32

約数和(自身を含む): 508134600

約数和(自身を除く): 289826080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 188197, 376394, 752788, 940985, 1505576, 1881970, 3763940, 5457713, 7527880, 10915426, 21830852, 27288565, 43661704, 54577130, 109154260, 218308520]

約数ペア:

[(1, 218308520), (2, 109154260), (4, 54577130), (5, 43661704), (8, 27288565), (10, 21830852), (20, 10915426), (29, 7527880), (40, 5457713), (58, 3763940), (116, 1881970), (145, 1505576), (232, 940985), (290, 752788), (580, 376394), (1160, 188197)]