128942800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{46051}}^1$

素因数の和:46076

約数の個数: 60

約数和(自身を含む): 354047776

約数和(自身を除く): 225104976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 46051, 92102, 184204, 230255, 322357, 368408, 460510, 644714, 736816, 921020, 1151275, 1289428, 1611785, 1842040, 2302550, 2578856, 3223570, 3684080, 4605100, 5157712, 6447140, 8058925, 9210200, 12894280, 16117850, 18420400, 25788560, 32235700, 64471400, 128942800]

約数ペア:

[(1, 128942800), (2, 64471400), (4, 32235700), (5, 25788560), (7, 18420400), (8, 16117850), (10, 12894280), (14, 9210200), (16, 8058925), (20, 6447140), (25, 5157712), (28, 4605100), (35, 3684080), (40, 3223570), (50, 2578856), (56, 2302550), (70, 1842040), (80, 1611785), (100, 1289428), (112, 1151275), (140, 921020), (175, 736816), (200, 644714), (280, 460510), (350, 368408), (400, 322357), (560, 230255), (700, 184204), (1400, 92102), (2800, 46051)]