630166180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{63397}}^1$

素因数の和:63484

約数の個数: 48

約数和(自身を含む): 1533724416

約数和(自身を除く): 903558236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 63397, 126794, 253588, 316985, 443779, 633970, 887558, 1267940, 1775116, 2218895, 4437790, 4501187, 8875580, 9002374, 18004748, 22505935, 31508309, 45011870, 63016618, 90023740, 126033236, 157541545, 315083090, 630166180]

約数ペア:

[(1, 630166180), (2, 315083090), (4, 157541545), (5, 126033236), (7, 90023740), (10, 63016618), (14, 45011870), (20, 31508309), (28, 22505935), (35, 18004748), (70, 9002374), (71, 8875580), (140, 4501187), (142, 4437790), (284, 2218895), (355, 1775116), (497, 1267940), (710, 887558), (994, 633970), (1420, 443779), (1988, 316985), (2485, 253588), (4970, 126794), (9940, 63397)]