78842540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2417}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 190112832

約数和(自身を除く): 111270292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2330, 2417, 3262, 4660, 4834, 6524, 8155, 9668, 12085, 16310, 16919, 24170, 32620, 33838, 48340, 67676, 84595, 169190, 338380, 563161, 1126322, 2252644, 2815805, 3942127, 5631610, 7884254, 11263220, 15768508, 19710635, 39421270, 78842540]

約数ペア:

[(1, 78842540), (2, 39421270), (4, 19710635), (5, 15768508), (7, 11263220), (10, 7884254), (14, 5631610), (20, 3942127), (28, 2815805), (35, 2252644), (70, 1126322), (140, 563161), (233, 338380), (466, 169190), (932, 84595), (1165, 67676), (1631, 48340), (2330, 33838), (2417, 32620), (3262, 24170), (4660, 16919), (4834, 16310), (6524, 12085), (8155, 9668)]