215260250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{21001}}^1$

素因数の和:21059

約数の個数: 32

約数和(自身を含む): 412815312

約数和(自身を除く): 197555062

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 5125, 10250, 21001, 42002, 105005, 210010, 525025, 861041, 1050050, 1722082, 2625125, 4305205, 5250250, 8610410, 21526025, 43052050, 107630125, 215260250]

約数ペア:

[(1, 215260250), (2, 107630125), (5, 43052050), (10, 21526025), (25, 8610410), (41, 5250250), (50, 4305205), (82, 2625125), (125, 1722082), (205, 1050050), (250, 861041), (410, 525025), (1025, 210010), (2050, 105005), (5125, 42002), (10250, 21001)]