290142790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{2557}}^1$

素因数の和:4192

約数の個数: 32

約数和(自身を含む): 597466944

約数和(自身を除く): 307324154

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1621, 2557, 3242, 5114, 8105, 11347, 12785, 16210, 17899, 22694, 25570, 35798, 56735, 89495, 113470, 178990, 4144897, 8289794, 20724485, 29014279, 41448970, 58028558, 145071395, 290142790]

約数ペア:

[(1, 290142790), (2, 145071395), (5, 58028558), (7, 41448970), (10, 29014279), (14, 20724485), (35, 8289794), (70, 4144897), (1621, 178990), (2557, 113470), (3242, 89495), (5114, 56735), (8105, 35798), (11347, 25570), (12785, 22694), (16210, 17899)]