211420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:82

約数の個数: 36

約数和(自身を含む): 500472

約数和(自身を除く): 289052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 961, 1364, 1705, 1922, 3410, 3844, 4805, 6820, 9610, 10571, 19220, 21142, 42284, 52855, 105710, 211420]

約数ペア:

[(1, 211420), (2, 105710), (4, 52855), (5, 42284), (10, 21142), (11, 19220), (20, 10571), (22, 9610), (31, 6820), (44, 4805), (55, 3844), (62, 3410), (110, 1922), (124, 1705), (155, 1364), (220, 961), (310, 682), (341, 620)]