187548140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23269}}^1$

素因数の和:23322

約数の個数: 48

約数和(自身を含む): 437848320

約数和(自身を除く): 250300180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 23269, 46538, 93076, 116345, 232690, 302497, 465380, 604994, 721339, 1209988, 1442678, 1512485, 2885356, 3024970, 3606695, 6049940, 7213390, 9377407, 14426780, 18754814, 37509628, 46887035, 93774070, 187548140]

約数ペア:

[(1, 187548140), (2, 93774070), (4, 46887035), (5, 37509628), (10, 18754814), (13, 14426780), (20, 9377407), (26, 7213390), (31, 6049940), (52, 3606695), (62, 3024970), (65, 2885356), (124, 1512485), (130, 1442678), (155, 1209988), (260, 721339), (310, 604994), (403, 465380), (620, 302497), (806, 232690), (1612, 116345), (2015, 93076), (4030, 46538), (8060, 23269)]