7155820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 17418240

約数和(自身を除く): 10262420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 647, 790, 1106, 1294, 1580, 2212, 2588, 2765, 3235, 4529, 5530, 6470, 9058, 11060, 12940, 18116, 22645, 45290, 51113, 90580, 102226, 204452, 255565, 357791, 511130, 715582, 1022260, 1431164, 1788955, 3577910, 7155820]

約数ペア:

[(1, 7155820), (2, 3577910), (4, 1788955), (5, 1431164), (7, 1022260), (10, 715582), (14, 511130), (20, 357791), (28, 255565), (35, 204452), (70, 102226), (79, 90580), (140, 51113), (158, 45290), (316, 22645), (395, 18116), (553, 12940), (647, 11060), (790, 9058), (1106, 6470), (1294, 5530), (1580, 4529), (2212, 3235), (2588, 2765)]