676390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1474704

約数和(自身を除く): 798314

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 121, 130, 143, 215, 242, 286, 430, 473, 559, 605, 715, 946, 1118, 1210, 1430, 1573, 2365, 2795, 3146, 4730, 5203, 5590, 6149, 7865, 10406, 12298, 15730, 26015, 30745, 52030, 61490, 67639, 135278, 338195, 676390]

約数ペア:

[(1, 676390), (2, 338195), (5, 135278), (10, 67639), (11, 61490), (13, 52030), (22, 30745), (26, 26015), (43, 15730), (55, 12298), (65, 10406), (86, 7865), (110, 6149), (121, 5590), (130, 5203), (143, 4730), (215, 3146), (242, 2795), (286, 2365), (430, 1573), (473, 1430), (559, 1210), (605, 1118), (715, 946)]