129626840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{462953}}^1$

素因数の和:462971

約数の個数: 32

約数和(自身を含む): 333326880

約数和(自身を除く): 203700040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 462953, 925906, 1851812, 2314765, 3240671, 3703624, 4629530, 6481342, 9259060, 12962684, 16203355, 18518120, 25925368, 32406710, 64813420, 129626840]

約数ペア:

[(1, 129626840), (2, 64813420), (4, 32406710), (5, 25925368), (7, 18518120), (8, 16203355), (10, 12962684), (14, 9259060), (20, 6481342), (28, 4629530), (35, 3703624), (40, 3240671), (56, 2314765), (70, 1851812), (140, 925906), (280, 462953)]