128626540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8429}}^1$

素因数の和:8554

約数の個数: 48

約数和(自身を含む): 311572800

約数和(自身を除く): 182946260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 8429, 15260, 16858, 33716, 42145, 59003, 84290, 118006, 168580, 236012, 295015, 590030, 918761, 1180060, 1837522, 3675044, 4593805, 6431327, 9187610, 12862654, 18375220, 25725308, 32156635, 64313270, 128626540]

約数ペア:

[(1, 128626540), (2, 64313270), (4, 32156635), (5, 25725308), (7, 18375220), (10, 12862654), (14, 9187610), (20, 6431327), (28, 4593805), (35, 3675044), (70, 1837522), (109, 1180060), (140, 918761), (218, 590030), (436, 295015), (545, 236012), (763, 168580), (1090, 118006), (1526, 84290), (2180, 59003), (3052, 42145), (3815, 33716), (7630, 16858), (8429, 15260)]