213474680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172157}}^1$

素因数の和:172199

約数の個数: 32

約数和(自身を含む): 495815040

約数和(自身を除く): 282340360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 172157, 344314, 688628, 860785, 1377256, 1721570, 3443140, 5336867, 6886280, 10673734, 21347468, 26684335, 42694936, 53368670, 106737340, 213474680]

約数ペア:

[(1, 213474680), (2, 106737340), (4, 53368670), (5, 42694936), (8, 26684335), (10, 21347468), (20, 10673734), (31, 6886280), (40, 5336867), (62, 3443140), (124, 1721570), (155, 1377256), (248, 860785), (310, 688628), (620, 344314), (1240, 172157)]