81927650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 175435200

約数和(自身を除く): 93507550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 149, 175, 298, 350, 745, 1043, 1490, 1571, 2086, 3142, 3725, 5215, 7450, 7855, 10430, 10997, 15710, 21994, 26075, 39275, 52150, 54985, 78550, 109970, 234079, 274925, 468158, 549850, 1170395, 1638553, 2340790, 3277106, 5851975, 8192765, 11703950, 16385530, 40963825, 81927650]

約数ペア:

[(1, 81927650), (2, 40963825), (5, 16385530), (7, 11703950), (10, 8192765), (14, 5851975), (25, 3277106), (35, 2340790), (50, 1638553), (70, 1170395), (149, 549850), (175, 468158), (298, 274925), (350, 234079), (745, 109970), (1043, 78550), (1490, 54985), (1571, 52150), (2086, 39275), (3142, 26075), (3725, 21994), (5215, 15710), (7450, 10997), (7855, 10430)]