123757340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 304057152

約数和(自身を除く): 180299812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 293, 431, 490, 586, 862, 980, 1172, 1465, 1724, 2051, 2155, 2930, 3017, 4102, 4310, 5860, 6034, 8204, 8620, 10255, 12068, 14357, 15085, 20510, 21119, 28714, 30170, 41020, 42238, 57428, 60340, 71785, 84476, 105595, 126283, 143570, 211190, 252566, 287140, 422380, 505132, 631415, 883981, 1262830, 1767962, 2525660, 3535924, 4419905, 6187867, 8839810, 12375734, 17679620, 24751468, 30939335, 61878670, 123757340]

約数ペア:

[(1, 123757340), (2, 61878670), (4, 30939335), (5, 24751468), (7, 17679620), (10, 12375734), (14, 8839810), (20, 6187867), (28, 4419905), (35, 3535924), (49, 2525660), (70, 1767962), (98, 1262830), (140, 883981), (196, 631415), (245, 505132), (293, 422380), (431, 287140), (490, 252566), (586, 211190), (862, 143570), (980, 126283), (1172, 105595), (1465, 84476), (1724, 71785), (2051, 60340), (2155, 57428), (2930, 42238), (3017, 41020), (4102, 30170), (4310, 28714), (5860, 21119), (6034, 20510), (8204, 15085), (8620, 14357), (10255, 12068)]