2405260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 6145776

約数和(自身を除く): 3740516

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 260, 286, 290, 319, 377, 572, 580, 638, 715, 754, 841, 1276, 1430, 1508, 1595, 1682, 1885, 2860, 3190, 3364, 3770, 4147, 4205, 6380, 7540, 8294, 8410, 9251, 10933, 16588, 16820, 18502, 20735, 21866, 37004, 41470, 43732, 46255, 54665, 82940, 92510, 109330, 120263, 185020, 218660, 240526, 481052, 601315, 1202630, 2405260]

約数ペア:

[(1, 2405260), (2, 1202630), (4, 601315), (5, 481052), (10, 240526), (11, 218660), (13, 185020), (20, 120263), (22, 109330), (26, 92510), (29, 82940), (44, 54665), (52, 46255), (55, 43732), (58, 41470), (65, 37004), (110, 21866), (116, 20735), (130, 18502), (143, 16820), (145, 16588), (220, 10933), (260, 9251), (286, 8410), (290, 8294), (319, 7540), (377, 6380), (572, 4205), (580, 4147), (638, 3770), (715, 3364), (754, 3190), (841, 2860), (1276, 1885), (1430, 1682), (1508, 1595)]