128933840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230239}}^1$

素因数の和:230259

約数の個数: 40

約数和(自身を含む): 342597120

約数和(自身を除く): 213663280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230239, 460478, 920956, 1151195, 1611673, 1841912, 2302390, 3223346, 3683824, 4604780, 6446692, 8058365, 9209560, 12893384, 16116730, 18419120, 25786768, 32233460, 64466920, 128933840]

約数ペア:

[(1, 128933840), (2, 64466920), (4, 32233460), (5, 25786768), (7, 18419120), (8, 16116730), (10, 12893384), (14, 9209560), (16, 8058365), (20, 6446692), (28, 4604780), (35, 3683824), (40, 3223346), (56, 2302390), (70, 1841912), (80, 1611673), (112, 1151195), (140, 920956), (280, 460478), (560, 230239)]