72978710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6997}}^1$

素因数の和:7160

約数の個数: 32

約数和(自身を含む): 151156800

約数和(自身を除く): 78178090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 6997, 10430, 13994, 34985, 48979, 69970, 97958, 244895, 489790, 1042553, 2085106, 5212765, 7297871, 10425530, 14595742, 36489355, 72978710]

約数ペア:

[(1, 72978710), (2, 36489355), (5, 14595742), (7, 10425530), (10, 7297871), (14, 5212765), (35, 2085106), (70, 1042553), (149, 489790), (298, 244895), (745, 97958), (1043, 69970), (1490, 48979), (2086, 34985), (5215, 13994), (6997, 10430)]