72982180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 158425344

約数和(自身を除く): 85443164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 751, 860, 1130, 1502, 2260, 3004, 3755, 4859, 7510, 9718, 15020, 19436, 24295, 32293, 48590, 64586, 84863, 97180, 129172, 161465, 169726, 322930, 339452, 424315, 645860, 848630, 1697260, 3649109, 7298218, 14596436, 18245545, 36491090, 72982180]

約数ペア:

[(1, 72982180), (2, 36491090), (4, 18245545), (5, 14596436), (10, 7298218), (20, 3649109), (43, 1697260), (86, 848630), (113, 645860), (172, 424315), (215, 339452), (226, 322930), (430, 169726), (452, 161465), (565, 129172), (751, 97180), (860, 84863), (1130, 64586), (1502, 48590), (2260, 32293), (3004, 24295), (3755, 19436), (4859, 15020), (7510, 9718)]