654161620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{43669}}^1$

素因数の和:43792

約数の個数: 48

約数和(自身を含む): 1584696960

約数和(自身を除く): 930535340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 43669, 87338, 174676, 218345, 305683, 436690, 611366, 873380, 1222732, 1528415, 3056830, 4672583, 6113660, 9345166, 18690332, 23362915, 32708081, 46725830, 65416162, 93451660, 130832324, 163540405, 327080810, 654161620]

約数ペア:

[(1, 654161620), (2, 327080810), (4, 163540405), (5, 130832324), (7, 93451660), (10, 65416162), (14, 46725830), (20, 32708081), (28, 23362915), (35, 18690332), (70, 9345166), (107, 6113660), (140, 4672583), (214, 3056830), (428, 1528415), (535, 1222732), (749, 873380), (1070, 611366), (1498, 436690), (2140, 305683), (2996, 218345), (3745, 174676), (7490, 87338), (14980, 43669)]