123699940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67967}}^1$

素因数の和:67996

約数の個数: 48

約数和(自身を含む): 319721472

約数和(自身を除く): 196021532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 67967, 135934, 271868, 339835, 475769, 679670, 883571, 951538, 1359340, 1767142, 1903076, 2378845, 3534284, 4417855, 4757690, 6184997, 8835710, 9515380, 12369994, 17671420, 24739988, 30924985, 61849970, 123699940]

約数ペア:

[(1, 123699940), (2, 61849970), (4, 30924985), (5, 24739988), (7, 17671420), (10, 12369994), (13, 9515380), (14, 8835710), (20, 6184997), (26, 4757690), (28, 4417855), (35, 3534284), (52, 2378845), (65, 1903076), (70, 1767142), (91, 1359340), (130, 951538), (140, 883571), (182, 679670), (260, 475769), (364, 339835), (455, 271868), (910, 135934), (1820, 67967)]