140917940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 307528704

約数和(自身を除く): 166610764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1361, 1670, 2722, 3340, 5177, 5444, 6805, 10354, 13610, 20708, 25885, 27220, 42191, 51770, 84382, 103540, 168764, 210955, 227287, 421910, 454574, 843820, 909148, 1136435, 2272870, 4545740, 7045897, 14091794, 28183588, 35229485, 70458970, 140917940]

約数ペア:

[(1, 140917940), (2, 70458970), (4, 35229485), (5, 28183588), (10, 14091794), (20, 7045897), (31, 4545740), (62, 2272870), (124, 1136435), (155, 909148), (167, 843820), (310, 454574), (334, 421910), (620, 227287), (668, 210955), (835, 168764), (1361, 103540), (1670, 84382), (2722, 51770), (3340, 42191), (5177, 27220), (5444, 25885), (6805, 20708), (10354, 13610)]