2107820

素因数分解:

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

素因数の和:111

約数の個数: 72

約数和(自身を含む): 5317872

約数和(自身を除く): 3210052

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 121, 130, 134, 143, 220, 242, 260, 268, 286, 335, 484, 572, 605, 670, 715, 737, 871, 1210, 1340, 1430, 1474, 1573, 1742, 2420, 2860, 2948, 3146, 3484, 3685, 4355, 6292, 7370, 7865, 8107, 8710, 9581, 14740, 15730, 16214, 17420, 19162, 31460, 32428, 38324, 40535, 47905, 81070, 95810, 105391, 162140, 191620, 210782, 421564, 526955, 1053910, 2107820]

約数ペア:

[(1, 2107820), (2, 1053910), (4, 526955), (5, 421564), (10, 210782), (11, 191620), (13, 162140), (20, 105391), (22, 95810), (26, 81070), (44, 47905), (52, 40535), (55, 38324), (65, 32428), (67, 31460), (110, 19162), (121, 17420), (130, 16214), (134, 15730), (143, 14740), (220, 9581), (242, 8710), (260, 8107), (268, 7865), (286, 7370), (335, 6292), (484, 4355), (572, 3685), (605, 3484), (670, 3146), (715, 2948), (737, 2860), (871, 2420), (1210, 1742), (1340, 1573), (1430, 1474)]