208840180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2017}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 455648256

約数和(自身を除く): 246808076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 2017, 3340, 4034, 5177, 8068, 10085, 10354, 20170, 20708, 25885, 40340, 51770, 62527, 103540, 125054, 250108, 312635, 336839, 625270, 673678, 1250540, 1347356, 1684195, 3368390, 6736780, 10442009, 20884018, 41768036, 52210045, 104420090, 208840180]

約数ペア:

[(1, 208840180), (2, 104420090), (4, 52210045), (5, 41768036), (10, 20884018), (20, 10442009), (31, 6736780), (62, 3368390), (124, 1684195), (155, 1347356), (167, 1250540), (310, 673678), (334, 625270), (620, 336839), (668, 312635), (835, 250108), (1670, 125054), (2017, 103540), (3340, 62527), (4034, 51770), (5177, 40340), (8068, 25885), (10085, 20708), (10354, 20170)]