208568710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{19997}}^1$

素因数の和:20160

約数の個数: 32

約数和(自身を含む): 431956800

約数和(自身を除く): 223388090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 19997, 39994, 99985, 139979, 199970, 279958, 699895, 1399790, 2979553, 5959106, 14897765, 20856871, 29795530, 41713742, 104284355, 208568710]

約数ペア:

[(1, 208568710), (2, 104284355), (5, 41713742), (7, 29795530), (10, 20856871), (14, 14897765), (35, 5959106), (70, 2979553), (149, 1399790), (298, 699895), (745, 279958), (1043, 199970), (1490, 139979), (2086, 99985), (5215, 39994), (10430, 19997)]