279739040

素因数分解:

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

素因数の和:1211

約数の個数: 144

約数和(自身を含む): 794271744

約数和(自身を除く): 514532704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1151, 1240, 1519, 1568, 1736, 1960, 2170, 2302, 2480, 3038, 3472, 3920, 4340, 4604, 4960, 5755, 6076, 6944, 7595, 7840, 8057, 8680, 9208, 11510, 12152, 15190, 16114, 17360, 18416, 23020, 24304, 30380, 32228, 34720, 35681, 36832, 40285, 46040, 48608, 56399, 60760, 64456, 71362, 80570, 92080, 112798, 121520, 128912, 142724, 161140, 178405, 184160, 225596, 243040, 249767, 257824, 281995, 285448, 322280, 356810, 451192, 499534, 563990, 570896, 644560, 713620, 902384, 999068, 1127980, 1141792, 1248835, 1289120, 1427240, 1748369, 1804768, 1998136, 2255960, 2497670, 2854480, 3496738, 3996272, 4511920, 4995340, 5708960, 6993476, 7992544, 8741845, 9023840, 9990680, 13986952, 17483690, 19981360, 27973904, 34967380, 39962720, 55947808, 69934760, 139869520, 279739040]

約数ペア:

[(1, 279739040), (2, 139869520), (4, 69934760), (5, 55947808), (7, 39962720), (8, 34967380), (10, 27973904), (14, 19981360), (16, 17483690), (20, 13986952), (28, 9990680), (31, 9023840), (32, 8741845), (35, 7992544), (40, 6993476), (49, 5708960), (56, 4995340), (62, 4511920), (70, 3996272), (80, 3496738), (98, 2854480), (112, 2497670), (124, 2255960), (140, 1998136), (155, 1804768), (160, 1748369), (196, 1427240), (217, 1289120), (224, 1248835), (245, 1141792), (248, 1127980), (280, 999068), (310, 902384), (392, 713620), (434, 644560), (490, 570896), (496, 563990), (560, 499534), (620, 451192), (784, 356810), (868, 322280), (980, 285448), (992, 281995), (1085, 257824), (1120, 249767), (1151, 243040), (1240, 225596), (1519, 184160), (1568, 178405), (1736, 161140), (1960, 142724), (2170, 128912), (2302, 121520), (2480, 112798), (3038, 92080), (3472, 80570), (3920, 71362), (4340, 64456), (4604, 60760), (4960, 56399), (5755, 48608), (6076, 46040), (6944, 40285), (7595, 36832), (7840, 35681), (8057, 34720), (8680, 32228), (9208, 30380), (11510, 24304), (12152, 23020), (15190, 18416), (16114, 17360)]