127891450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 247897080

約数和(自身を除く): 120005630

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 193, 290, 386, 457, 725, 914, 965, 1450, 1930, 2285, 4570, 4825, 5597, 9650, 11194, 11425, 13253, 22850, 26506, 27985, 55970, 66265, 88201, 132530, 139925, 176402, 279850, 331325, 441005, 662650, 882010, 2205025, 2557829, 4410050, 5115658, 12789145, 25578290, 63945725, 127891450]

約数ペア:

[(1, 127891450), (2, 63945725), (5, 25578290), (10, 12789145), (25, 5115658), (29, 4410050), (50, 2557829), (58, 2205025), (145, 882010), (193, 662650), (290, 441005), (386, 331325), (457, 279850), (725, 176402), (914, 139925), (965, 132530), (1450, 88201), (1930, 66265), (2285, 55970), (4570, 27985), (4825, 26506), (5597, 22850), (9650, 13253), (11194, 11425)]