2491060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 6271776

約数和(自身を除く): 3780716

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 130, 134, 143, 169, 220, 260, 268, 286, 335, 338, 572, 670, 676, 715, 737, 845, 871, 1340, 1430, 1474, 1690, 1742, 1859, 2860, 2948, 3380, 3484, 3685, 3718, 4355, 7370, 7436, 8710, 9295, 9581, 11323, 14740, 17420, 18590, 19162, 22646, 37180, 38324, 45292, 47905, 56615, 95810, 113230, 124553, 191620, 226460, 249106, 498212, 622765, 1245530, 2491060]

約数ペア:

[(1, 2491060), (2, 1245530), (4, 622765), (5, 498212), (10, 249106), (11, 226460), (13, 191620), (20, 124553), (22, 113230), (26, 95810), (44, 56615), (52, 47905), (55, 45292), (65, 38324), (67, 37180), (110, 22646), (130, 19162), (134, 18590), (143, 17420), (169, 14740), (220, 11323), (260, 9581), (268, 9295), (286, 8710), (335, 7436), (338, 7370), (572, 4355), (670, 3718), (676, 3685), (715, 3484), (737, 3380), (845, 2948), (871, 2860), (1340, 1859), (1430, 1742), (1474, 1690)]