203507425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 295052544

約数和(自身を除く): 91545119

約数列:

[1, 5, 11, 17, 25, 55, 85, 101, 187, 275, 425, 431, 505, 935, 1111, 1717, 2155, 2525, 4675, 4741, 5555, 7327, 8585, 10775, 18887, 23705, 27775, 36635, 42925, 43531, 80597, 94435, 118525, 183175, 217655, 402985, 472175, 478841, 740027, 1088275, 2014925, 2394205, 3700135, 8140297, 11971025, 18500675, 40701485, 203507425]

約数ペア:

[(1, 203507425), (5, 40701485), (11, 18500675), (17, 11971025), (25, 8140297), (55, 3700135), (85, 2394205), (101, 2014925), (187, 1088275), (275, 740027), (425, 478841), (431, 472175), (505, 402985), (935, 217655), (1111, 183175), (1717, 118525), (2155, 94435), (2525, 80597), (4675, 43531), (4741, 42925), (5555, 36635), (7327, 27775), (8585, 23705), (10775, 18887)]