2760776440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{1229}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 6296616000

約数和(自身を除く): 3535839560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 631, 712, 890, 1229, 1262, 1780, 2458, 2524, 3155, 3560, 4916, 5048, 6145, 6310, 9832, 12290, 12620, 24580, 25240, 49160, 56159, 109381, 112318, 218762, 224636, 280795, 437524, 449272, 546905, 561590, 775499, 875048, 1093810, 1123180, 1550998, 2187620, 2246360, 3101996, 3877495, 4375240, 6203992, 7754990, 15509980, 31019960, 69019411, 138038822, 276077644, 345097055, 552155288, 690194110, 1380388220, 2760776440]

約数ペア:

[(1, 2760776440), (2, 1380388220), (4, 690194110), (5, 552155288), (8, 345097055), (10, 276077644), (20, 138038822), (40, 69019411), (89, 31019960), (178, 15509980), (356, 7754990), (445, 6203992), (631, 4375240), (712, 3877495), (890, 3101996), (1229, 2246360), (1262, 2187620), (1780, 1550998), (2458, 1123180), (2524, 1093810), (3155, 875048), (3560, 775499), (4916, 561590), (5048, 546905), (6145, 449272), (6310, 437524), (9832, 280795), (12290, 224636), (12620, 218762), (24580, 112318), (25240, 109381), (49160, 56159)]