201222760

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{18701}}^1$

素因数の和:18981

約数の個数: 32

約数和(自身を含む): 454458600

約数和(自身を除く): 253235840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 18701, 37402, 74804, 93505, 149608, 187010, 374020, 748040, 5030569, 10061138, 20122276, 25152845, 40244552, 50305690, 100611380, 201222760]

約数ペア:

[(1, 201222760), (2, 100611380), (4, 50305690), (5, 40244552), (8, 25152845), (10, 20122276), (20, 10061138), (40, 5030569), (269, 748040), (538, 374020), (1076, 187010), (1345, 149608), (2152, 93505), (2690, 74804), (5380, 37402), (10760, 18701)]