2499560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 6566400

約数和(自身を除く): 4066840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 113, 140, 158, 226, 280, 316, 395, 452, 553, 565, 632, 790, 791, 904, 1106, 1130, 1580, 1582, 2212, 2260, 2765, 3160, 3164, 3955, 4424, 4520, 5530, 6328, 7910, 8927, 11060, 15820, 17854, 22120, 31640, 35708, 44635, 62489, 71416, 89270, 124978, 178540, 249956, 312445, 357080, 499912, 624890, 1249780, 2499560]

約数ペア:

[(1, 2499560), (2, 1249780), (4, 624890), (5, 499912), (7, 357080), (8, 312445), (10, 249956), (14, 178540), (20, 124978), (28, 89270), (35, 71416), (40, 62489), (56, 44635), (70, 35708), (79, 31640), (113, 22120), (140, 17854), (158, 15820), (226, 11060), (280, 8927), (316, 7910), (395, 6328), (452, 5530), (553, 4520), (565, 4424), (632, 3955), (790, 3164), (791, 3160), (904, 2765), (1106, 2260), (1130, 2212), (1580, 1582)]