858035980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{8287}}^1$

素因数の和:8494

約数の個数: 48

約数和(自身を含む): 1871364096

約数和(自身を除く): 1013328116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 3340, 5177, 8287, 10354, 16574, 20708, 25885, 33148, 41435, 51770, 82870, 103540, 165740, 256897, 513794, 1027588, 1284485, 1383929, 2568970, 2767858, 5137940, 5535716, 6919645, 13839290, 27678580, 42901799, 85803598, 171607196, 214508995, 429017990, 858035980]

約数ペア:

[(1, 858035980), (2, 429017990), (4, 214508995), (5, 171607196), (10, 85803598), (20, 42901799), (31, 27678580), (62, 13839290), (124, 6919645), (155, 5535716), (167, 5137940), (310, 2767858), (334, 2568970), (620, 1383929), (668, 1284485), (835, 1027588), (1670, 513794), (3340, 256897), (5177, 165740), (8287, 103540), (10354, 82870), (16574, 51770), (20708, 41435), (25885, 33148)]