31238290

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 57437424

約数和(自身を除く): 26199134

約数列:

[1, 2, 5, 10, 101, 157, 197, 202, 314, 394, 505, 785, 985, 1010, 1570, 1970, 15857, 19897, 30929, 31714, 39794, 61858, 79285, 99485, 154645, 158570, 198970, 309290, 3123829, 6247658, 15619145, 31238290]

約数ペア:

[(1, 31238290), (2, 15619145), (5, 6247658), (10, 3123829), (101, 309290), (157, 198970), (197, 158570), (202, 154645), (314, 99485), (394, 79285), (505, 61858), (785, 39794), (985, 31714), (1010, 30929), (1570, 19897), (1970, 15857)]