74920990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1571}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 142611840

約数和(自身を除く): 67690850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 1571, 2510, 3142, 4769, 7855, 9538, 15710, 23845, 29849, 47690, 59698, 149245, 298490, 394321, 788642, 1971605, 3943210, 7492099, 14984198, 37460495, 74920990]

約数ペア:

[(1, 74920990), (2, 37460495), (5, 14984198), (10, 7492099), (19, 3943210), (38, 1971605), (95, 788642), (190, 394321), (251, 298490), (502, 149245), (1255, 59698), (1571, 47690), (2510, 29849), (3142, 23845), (4769, 15710), (7855, 9538)]