139869520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 120

約数和(自身を含む): 390832128

約数和(自身を除く): 250962608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1151, 1240, 1519, 1736, 1960, 2170, 2302, 2480, 3038, 3472, 3920, 4340, 4604, 5755, 6076, 7595, 8057, 8680, 9208, 11510, 12152, 15190, 16114, 17360, 18416, 23020, 24304, 30380, 32228, 35681, 40285, 46040, 56399, 60760, 64456, 71362, 80570, 92080, 112798, 121520, 128912, 142724, 161140, 178405, 225596, 249767, 281995, 285448, 322280, 356810, 451192, 499534, 563990, 570896, 644560, 713620, 902384, 999068, 1127980, 1248835, 1427240, 1748369, 1998136, 2255960, 2497670, 2854480, 3496738, 3996272, 4511920, 4995340, 6993476, 8741845, 9990680, 13986952, 17483690, 19981360, 27973904, 34967380, 69934760, 139869520]

約数ペア:

[(1, 139869520), (2, 69934760), (4, 34967380), (5, 27973904), (7, 19981360), (8, 17483690), (10, 13986952), (14, 9990680), (16, 8741845), (20, 6993476), (28, 4995340), (31, 4511920), (35, 3996272), (40, 3496738), (49, 2854480), (56, 2497670), (62, 2255960), (70, 1998136), (80, 1748369), (98, 1427240), (112, 1248835), (124, 1127980), (140, 999068), (155, 902384), (196, 713620), (217, 644560), (245, 570896), (248, 563990), (280, 499534), (310, 451192), (392, 356810), (434, 322280), (490, 285448), (496, 281995), (560, 249767), (620, 225596), (784, 178405), (868, 161140), (980, 142724), (1085, 128912), (1151, 121520), (1240, 112798), (1519, 92080), (1736, 80570), (1960, 71362), (2170, 64456), (2302, 60760), (2480, 56399), (3038, 46040), (3472, 40285), (3920, 35681), (4340, 32228), (4604, 30380), (5755, 24304), (6076, 23020), (7595, 18416), (8057, 17360), (8680, 16114), (9208, 15190), (11510, 12152)]