1217752420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{6367}}^1$

素因数の和:6580

約数の個数: 48

約数和(自身を含む): 2612510208

約数和(自身を除く): 1394757788

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 262, 292, 365, 524, 655, 730, 1310, 1460, 2620, 6367, 9563, 12734, 19126, 25468, 31835, 38252, 47815, 63670, 95630, 127340, 191260, 464791, 834077, 929582, 1668154, 1859164, 2323955, 3336308, 4170385, 4647910, 8340770, 9295820, 16681540, 60887621, 121775242, 243550484, 304438105, 608876210, 1217752420]

約数ペア:

[(1, 1217752420), (2, 608876210), (4, 304438105), (5, 243550484), (10, 121775242), (20, 60887621), (73, 16681540), (131, 9295820), (146, 8340770), (262, 4647910), (292, 4170385), (365, 3336308), (524, 2323955), (655, 1859164), (730, 1668154), (1310, 929582), (1460, 834077), (2620, 464791), (6367, 191260), (9563, 127340), (12734, 95630), (19126, 63670), (25468, 47815), (31835, 38252)]