191989920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{399979}}^1$

素因数の和:399997

約数の個数: 48

約数和(自身を含む): 604769760

約数和(自身を除く): 412779840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 399979, 799958, 1199937, 1599916, 1999895, 2399874, 3199832, 3999790, 4799748, 5999685, 6399664, 7999580, 9599496, 11999370, 12799328, 15999160, 19198992, 23998740, 31998320, 38397984, 47997480, 63996640, 95994960, 191989920]

約数ペア:

[(1, 191989920), (2, 95994960), (3, 63996640), (4, 47997480), (5, 38397984), (6, 31998320), (8, 23998740), (10, 19198992), (12, 15999160), (15, 12799328), (16, 11999370), (20, 9599496), (24, 7999580), (30, 6399664), (32, 5999685), (40, 4799748), (48, 3999790), (60, 3199832), (80, 2399874), (96, 1999895), (120, 1599916), (160, 1199937), (240, 799958), (480, 399979)]