331564220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1327}}^1$

素因数の和:1411

約数の個数: 72

約数和(自身を含む): 775397952

約数和(自身を除く): 443833732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1327, 1612, 1922, 2015, 2654, 3844, 4030, 4805, 5308, 6635, 8060, 9610, 12493, 13270, 17251, 19220, 24986, 26540, 34502, 41137, 49972, 62465, 69004, 82274, 86255, 124930, 164548, 172510, 205685, 249860, 345020, 411370, 534781, 822740, 1069562, 1275247, 2139124, 2550494, 2673905, 5100988, 5347810, 6376235, 10695620, 12752470, 16578211, 25504940, 33156422, 66312844, 82891055, 165782110, 331564220]

約数ペア:

[(1, 331564220), (2, 165782110), (4, 82891055), (5, 66312844), (10, 33156422), (13, 25504940), (20, 16578211), (26, 12752470), (31, 10695620), (52, 6376235), (62, 5347810), (65, 5100988), (124, 2673905), (130, 2550494), (155, 2139124), (260, 1275247), (310, 1069562), (403, 822740), (620, 534781), (806, 411370), (961, 345020), (1327, 249860), (1612, 205685), (1922, 172510), (2015, 164548), (2654, 124930), (3844, 86255), (4030, 82274), (4805, 69004), (5308, 62465), (6635, 49972), (8060, 41137), (9610, 34502), (12493, 26540), (13270, 24986), (17251, 19220)]