2108380

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 4455360

約数和(自身を除く): 2346980

約数列:

[1, 2, 4, 5, 10, 20, 271, 389, 542, 778, 1084, 1355, 1556, 1945, 2710, 3890, 5420, 7780, 105419, 210838, 421676, 527095, 1054190, 2108380]

約数ペア:

[(1, 2108380), (2, 1054190), (4, 527095), (5, 421676), (10, 210838), (20, 105419), (271, 7780), (389, 5420), (542, 3890), (778, 2710), (1084, 1945), (1355, 1556)]