1490249825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 2007490560

約数和(自身を除く): 517240735

約数列:

[1, 5, 25, 29, 31, 61, 145, 155, 305, 725, 775, 899, 1087, 1525, 1769, 1891, 4495, 5435, 8845, 9455, 22475, 27175, 31523, 33697, 44225, 47275, 54839, 66307, 157615, 168485, 274195, 331535, 788075, 842425, 977213, 1370975, 1657675, 1922903, 2055517, 4886065, 9614515, 10277585, 24430325, 48072575, 51387925, 59609993, 298049965, 1490249825]

約数ペア:

[(1, 1490249825), (5, 298049965), (25, 59609993), (29, 51387925), (31, 48072575), (61, 24430325), (145, 10277585), (155, 9614515), (305, 4886065), (725, 2055517), (775, 1922903), (899, 1657675), (1087, 1370975), (1525, 977213), (1769, 842425), (1891, 788075), (4495, 331535), (5435, 274195), (8845, 168485), (9455, 157615), (22475, 66307), (27175, 54839), (31523, 47275), (33697, 44225)]