199001725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 293180640

約数和(自身を除く): 94178915

約数列:

[1, 5, 13, 19, 25, 37, 65, 67, 95, 169, 185, 247, 325, 335, 475, 481, 703, 845, 871, 925, 1235, 1273, 1675, 2405, 2479, 3211, 3515, 4225, 4355, 6175, 6253, 6365, 9139, 11323, 12025, 12395, 16055, 16549, 17575, 21775, 31265, 31825, 32227, 45695, 47101, 56615, 61975, 80275, 82745, 118807, 156325, 161135, 215137, 228475, 235505, 283075, 413725, 418951, 594035, 612313, 805675, 1075685, 1177525, 2094755, 2970175, 3061565, 5378425, 7960069, 10473775, 15307825, 39800345, 199001725]

約数ペア:

[(1, 199001725), (5, 39800345), (13, 15307825), (19, 10473775), (25, 7960069), (37, 5378425), (65, 3061565), (67, 2970175), (95, 2094755), (169, 1177525), (185, 1075685), (247, 805675), (325, 612313), (335, 594035), (475, 418951), (481, 413725), (703, 283075), (845, 235505), (871, 228475), (925, 215137), (1235, 161135), (1273, 156325), (1675, 118807), (2405, 82745), (2479, 80275), (3211, 61975), (3515, 56615), (4225, 47101), (4355, 45695), (6175, 32227), (6253, 31825), (6365, 31265), (9139, 21775), (11323, 17575), (12025, 16549), (12395, 16055)]