213987480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{254747}}^1$

素因数の和:254768

約数の個数: 64

約数和(自身を含む): 733674240

約数和(自身を除く): 519686760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 254747, 509494, 764241, 1018988, 1273735, 1528482, 1783229, 2037976, 2547470, 3056964, 3566458, 3821205, 5094940, 5349687, 6113928, 7132916, 7642410, 8916145, 10189880, 10699374, 14265832, 15284820, 17832290, 21398748, 26748435, 30569640, 35664580, 42797496, 53496870, 71329160, 106993740, 213987480]

約数ペア:

[(1, 213987480), (2, 106993740), (3, 71329160), (4, 53496870), (5, 42797496), (6, 35664580), (7, 30569640), (8, 26748435), (10, 21398748), (12, 17832290), (14, 15284820), (15, 14265832), (20, 10699374), (21, 10189880), (24, 8916145), (28, 7642410), (30, 7132916), (35, 6113928), (40, 5349687), (42, 5094940), (56, 3821205), (60, 3566458), (70, 3056964), (84, 2547470), (105, 2037976), (120, 1783229), (140, 1528482), (168, 1273735), (210, 1018988), (280, 764241), (420, 509494), (840, 254747)]