131161940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3841

約数の個数: 96

約数和(自身を含む): 356939520

約数和(自身を除く): 225777580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 3793, 4940, 6916, 7586, 8645, 15172, 17290, 18965, 26551, 34580, 37930, 49309, 53102, 72067, 75860, 98618, 106204, 132755, 144134, 197236, 246545, 265510, 288268, 345163, 360335, 493090, 504469, 531020, 690326, 720670, 936871, 986180, 1008938, 1380652, 1441340, 1725815, 1873742, 2017876, 2522345, 3451630, 3747484, 4684355, 5044690, 6558097, 6903260, 9368710, 10089380, 13116194, 18737420, 26232388, 32790485, 65580970, 131161940]

約数ペア:

[(1, 131161940), (2, 65580970), (4, 32790485), (5, 26232388), (7, 18737420), (10, 13116194), (13, 10089380), (14, 9368710), (19, 6903260), (20, 6558097), (26, 5044690), (28, 4684355), (35, 3747484), (38, 3451630), (52, 2522345), (65, 2017876), (70, 1873742), (76, 1725815), (91, 1441340), (95, 1380652), (130, 1008938), (133, 986180), (140, 936871), (182, 720670), (190, 690326), (247, 531020), (260, 504469), (266, 493090), (364, 360335), (380, 345163), (455, 288268), (494, 265510), (532, 246545), (665, 197236), (910, 144134), (988, 132755), (1235, 106204), (1330, 98618), (1729, 75860), (1820, 72067), (2470, 53102), (2660, 49309), (3458, 37930), (3793, 34580), (4940, 26551), (6916, 18965), (7586, 17290), (8645, 15172)]