280000990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{12373}}^1$

素因数の和:12484

約数の個数: 32

約数和(自身を含む): 527429376

約数和(自身を除く): 247428386

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 2263, 4526, 11315, 12373, 22630, 24746, 61865, 123730, 383563, 767126, 903229, 1806458, 1917815, 3835630, 4516145, 9032290, 28000099, 56000198, 140000495, 280000990]

約数ペア:

[(1, 280000990), (2, 140000495), (5, 56000198), (10, 28000099), (31, 9032290), (62, 4516145), (73, 3835630), (146, 1917815), (155, 1806458), (310, 903229), (365, 767126), (730, 383563), (2263, 123730), (4526, 61865), (11315, 24746), (12373, 22630)]