427153960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{344479}}^1$

素因数の和:344521

約数の個数: 32

約数和(自身を含む): 992102400

約数和(自身を除く): 564948440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 344479, 688958, 1377916, 1722395, 2755832, 3444790, 6889580, 10678849, 13779160, 21357698, 42715396, 53394245, 85430792, 106788490, 213576980, 427153960]

約数ペア:

[(1, 427153960), (2, 213576980), (4, 106788490), (5, 85430792), (8, 53394245), (10, 42715396), (20, 21357698), (31, 13779160), (40, 10678849), (62, 6889580), (124, 3444790), (155, 2755832), (248, 1722395), (310, 1377916), (620, 688958), (1240, 344479)]