1914389240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1\times {\mathrm{1151}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 4415938560

約数和(自身を除く): 2501549320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 967, 1151, 1720, 1934, 2302, 3868, 4604, 4835, 5755, 7736, 9208, 9670, 11510, 19340, 23020, 38680, 41581, 46040, 49493, 83162, 98986, 166324, 197972, 207905, 247465, 332648, 395944, 415810, 494930, 831620, 989860, 1113017, 1663240, 1979720, 2226034, 4452068, 5565085, 8904136, 11130170, 22260340, 44520680, 47859731, 95719462, 191438924, 239298655, 382877848, 478597310, 957194620, 1914389240]

約数ペア:

[(1, 1914389240), (2, 957194620), (4, 478597310), (5, 382877848), (8, 239298655), (10, 191438924), (20, 95719462), (40, 47859731), (43, 44520680), (86, 22260340), (172, 11130170), (215, 8904136), (344, 5565085), (430, 4452068), (860, 2226034), (967, 1979720), (1151, 1663240), (1720, 1113017), (1934, 989860), (2302, 831620), (3868, 494930), (4604, 415810), (4835, 395944), (5755, 332648), (7736, 247465), (9208, 207905), (9670, 197972), (11510, 166324), (19340, 98986), (23020, 83162), (38680, 49493), (41581, 46040)]