1253743975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 1824941232

約数和(自身を除く): 571197257

約数列:

[1, 5, 11, 19, 25, 55, 73, 95, 173, 209, 275, 361, 365, 475, 803, 865, 1045, 1387, 1805, 1825, 1903, 3287, 3971, 4015, 4325, 5225, 6935, 9025, 9515, 12629, 15257, 16435, 19855, 20075, 26353, 34675, 36157, 47575, 62453, 63145, 76285, 82175, 99275, 131765, 138919, 180785, 239951, 289883, 312265, 315725, 381425, 658825, 686983, 694595, 903925, 1199755, 1449415, 1561325, 2639461, 3434915, 3472975, 4559069, 5998775, 7247075, 13197305, 17174575, 22795345, 50149759, 65986525, 113976725, 250748795, 1253743975]

約数ペア:

[(1, 1253743975), (5, 250748795), (11, 113976725), (19, 65986525), (25, 50149759), (55, 22795345), (73, 17174575), (95, 13197305), (173, 7247075), (209, 5998775), (275, 4559069), (361, 3472975), (365, 3434915), (475, 2639461), (803, 1561325), (865, 1449415), (1045, 1199755), (1387, 903925), (1805, 694595), (1825, 686983), (1903, 658825), (3287, 381425), (3971, 315725), (4015, 312265), (4325, 289883), (5225, 239951), (6935, 180785), (9025, 138919), (9515, 131765), (12629, 99275), (15257, 82175), (16435, 76285), (19855, 63145), (20075, 62453), (26353, 47575), (34675, 36157)]