1538689460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{999149}}^1$

素因数の和:999176

約数の個数: 48

約数和(自身を含む): 4028572800

約数和(自身を除く): 2489883340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 999149, 1998298, 3996596, 4995745, 6994043, 9991490, 10990639, 13988086, 19982980, 21981278, 27976172, 34970215, 43962556, 54953195, 69940430, 76934473, 109906390, 139880860, 153868946, 219812780, 307737892, 384672365, 769344730, 1538689460]

約数ペア:

[(1, 1538689460), (2, 769344730), (4, 384672365), (5, 307737892), (7, 219812780), (10, 153868946), (11, 139880860), (14, 109906390), (20, 76934473), (22, 69940430), (28, 54953195), (35, 43962556), (44, 34970215), (55, 27976172), (70, 21981278), (77, 19982980), (110, 13988086), (140, 10990639), (154, 9991490), (220, 6994043), (308, 4995745), (385, 3996596), (770, 1998298), (1540, 999149)]