388635260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1033}}^1\times {\mathrm{1447}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 880372416

約数和(自身を除く): 491737156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1033, 1447, 2066, 2894, 4132, 5165, 5788, 7235, 10330, 13429, 14470, 18811, 20660, 26858, 28940, 37622, 53716, 67145, 75244, 94055, 134290, 188110, 268580, 376220, 1494751, 2989502, 5979004, 7473755, 14947510, 19431763, 29895020, 38863526, 77727052, 97158815, 194317630, 388635260]

約数ペア:

[(1, 388635260), (2, 194317630), (4, 97158815), (5, 77727052), (10, 38863526), (13, 29895020), (20, 19431763), (26, 14947510), (52, 7473755), (65, 5979004), (130, 2989502), (260, 1494751), (1033, 376220), (1447, 268580), (2066, 188110), (2894, 134290), (4132, 94055), (5165, 75244), (5788, 67145), (7235, 53716), (10330, 37622), (13429, 28940), (14470, 26858), (18811, 20660)]