220864420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21611}}^1$

素因数の和:21700

約数の個数: 48

約数和(自身を含む): 537360768

約数和(自身を除く): 316496348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 21611, 43222, 86444, 108055, 151277, 216110, 302554, 432220, 605108, 756385, 1512770, 1577603, 3025540, 3155206, 6310412, 7888015, 11043221, 15776030, 22086442, 31552060, 44172884, 55216105, 110432210, 220864420]

約数ペア:

[(1, 220864420), (2, 110432210), (4, 55216105), (5, 44172884), (7, 31552060), (10, 22086442), (14, 15776030), (20, 11043221), (28, 7888015), (35, 6310412), (70, 3155206), (73, 3025540), (140, 1577603), (146, 1512770), (292, 756385), (365, 605108), (511, 432220), (730, 302554), (1022, 216110), (1460, 151277), (2044, 108055), (2555, 86444), (5110, 43222), (10220, 21611)]