220626380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 72

約数和(自身を含む): 516153456

約数和(自身を除く): 295527076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 883, 961, 1612, 1766, 1922, 2015, 3532, 3844, 4030, 4415, 4805, 8060, 8830, 9610, 11479, 12493, 17660, 19220, 22958, 24986, 27373, 45916, 49972, 54746, 57395, 62465, 109492, 114790, 124930, 136865, 229580, 249860, 273730, 355849, 547460, 711698, 848563, 1423396, 1697126, 1779245, 3394252, 3558490, 4242815, 7116980, 8485630, 11031319, 16971260, 22062638, 44125276, 55156595, 110313190, 220626380]

約数ペア:

[(1, 220626380), (2, 110313190), (4, 55156595), (5, 44125276), (10, 22062638), (13, 16971260), (20, 11031319), (26, 8485630), (31, 7116980), (52, 4242815), (62, 3558490), (65, 3394252), (124, 1779245), (130, 1697126), (155, 1423396), (260, 848563), (310, 711698), (403, 547460), (620, 355849), (806, 273730), (883, 249860), (961, 229580), (1612, 136865), (1766, 124930), (1922, 114790), (2015, 109492), (3532, 62465), (3844, 57395), (4030, 54746), (4415, 49972), (4805, 45916), (8060, 27373), (8830, 24986), (9610, 22958), (11479, 19220), (12493, 17660)]