388776475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 520680960

約数和(自身を除く): 131904485

約数列:

[1, 5, 23, 25, 71, 89, 107, 115, 355, 445, 535, 575, 1633, 1775, 2047, 2225, 2461, 2675, 6319, 7597, 8165, 9523, 10235, 12305, 31595, 37985, 40825, 47615, 51175, 61525, 145337, 157975, 174731, 189925, 219029, 238075, 676133, 726685, 873655, 1095145, 3380665, 3633425, 4368275, 5475725, 15551059, 16903325, 77755295, 388776475]

約数ペア:

[(1, 388776475), (5, 77755295), (23, 16903325), (25, 15551059), (71, 5475725), (89, 4368275), (107, 3633425), (115, 3380665), (355, 1095145), (445, 873655), (535, 726685), (575, 676133), (1633, 238075), (1775, 219029), (2047, 189925), (2225, 174731), (2461, 157975), (2675, 145337), (6319, 61525), (7597, 51175), (8165, 47615), (9523, 40825), (10235, 37985), (12305, 31595)]