2503890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 6671808

約数和(自身を除く): 4167918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 647, 774, 1290, 1294, 1935, 1941, 3235, 3870, 3882, 5823, 6470, 9705, 11646, 19410, 27821, 29115, 55642, 58230, 83463, 139105, 166926, 250389, 278210, 417315, 500778, 834630, 1251945, 2503890]

約数ペア:

[(1, 2503890), (2, 1251945), (3, 834630), (5, 500778), (6, 417315), (9, 278210), (10, 250389), (15, 166926), (18, 139105), (30, 83463), (43, 58230), (45, 55642), (86, 29115), (90, 27821), (129, 19410), (215, 11646), (258, 9705), (387, 6470), (430, 5823), (645, 3882), (647, 3870), (774, 3235), (1290, 1941), (1294, 1935)]