90154340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73897}}^1$

素因数の和:73967

約数の個数: 24

約数和(自身を含む): 192430392

約数和(自身を除く): 102276052

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 73897, 147794, 295588, 369485, 738970, 1477940, 4507717, 9015434, 18030868, 22538585, 45077170, 90154340]

約数ペア:

[(1, 90154340), (2, 45077170), (4, 22538585), (5, 18030868), (10, 9015434), (20, 4507717), (61, 1477940), (122, 738970), (244, 369485), (305, 295588), (610, 147794), (1220, 73897)]