189156760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2780

約数の個数: 64

約数和(自身を含む): 461815200

約数和(自身を除く): 272658440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2617, 2780, 3614, 5234, 5560, 7228, 9035, 10468, 13085, 14456, 18070, 20936, 26170, 34021, 36140, 52340, 68042, 72280, 104680, 136084, 170105, 272168, 340210, 363763, 680420, 727526, 1360840, 1455052, 1818815, 2910104, 3637630, 4728919, 7275260, 9457838, 14550520, 18915676, 23644595, 37831352, 47289190, 94578380, 189156760]

約数ペア:

[(1, 189156760), (2, 94578380), (4, 47289190), (5, 37831352), (8, 23644595), (10, 18915676), (13, 14550520), (20, 9457838), (26, 7275260), (40, 4728919), (52, 3637630), (65, 2910104), (104, 1818815), (130, 1455052), (139, 1360840), (260, 727526), (278, 680420), (520, 363763), (556, 340210), (695, 272168), (1112, 170105), (1390, 136084), (1807, 104680), (2617, 72280), (2780, 68042), (3614, 52340), (5234, 36140), (5560, 34021), (7228, 26170), (9035, 20936), (10468, 18070), (13085, 14456)]