210305240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5471}}^1$

素因数の和:5544

約数の個数: 48

約数和(自身を含む): 489032640

約数和(自身を除く): 278727400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5471, 7688, 9610, 10942, 19220, 21884, 27355, 38440, 43768, 54710, 109420, 169601, 218840, 339202, 678404, 848005, 1356808, 1696010, 3392020, 5257631, 6784040, 10515262, 21030524, 26288155, 42061048, 52576310, 105152620, 210305240]

約数ペア:

[(1, 210305240), (2, 105152620), (4, 52576310), (5, 42061048), (8, 26288155), (10, 21030524), (20, 10515262), (31, 6784040), (40, 5257631), (62, 3392020), (124, 1696010), (155, 1356808), (248, 848005), (310, 678404), (620, 339202), (961, 218840), (1240, 169601), (1922, 109420), (3844, 54710), (4805, 43768), (5471, 38440), (7688, 27355), (9610, 21884), (10942, 19220)]