127719620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6659}}^1$

素因数の和:6812

約数の個数: 48

約数和(自身を含む): 308810880

約数和(自身を除く): 181091260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 6659, 9590, 13318, 19180, 26636, 33295, 46613, 66590, 93226, 133180, 186452, 233065, 466130, 912283, 932260, 1824566, 3649132, 4561415, 6385981, 9122830, 12771962, 18245660, 25543924, 31929905, 63859810, 127719620]

約数ペア:

[(1, 127719620), (2, 63859810), (4, 31929905), (5, 25543924), (7, 18245660), (10, 12771962), (14, 9122830), (20, 6385981), (28, 4561415), (35, 3649132), (70, 1824566), (137, 932260), (140, 912283), (274, 466130), (548, 233065), (685, 186452), (959, 133180), (1370, 93226), (1918, 66590), (2740, 46613), (3836, 33295), (4795, 26636), (6659, 19180), (9590, 13318)]