26864740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 66648960

約数和(自身を除く): 39784220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 347, 395, 490, 553, 694, 790, 980, 1106, 1388, 1580, 1735, 2212, 2429, 2765, 3470, 3871, 4858, 5530, 6940, 7742, 9716, 11060, 12145, 15484, 17003, 19355, 24290, 27413, 34006, 38710, 48580, 54826, 68012, 77420, 85015, 109652, 137065, 170030, 191891, 274130, 340060, 383782, 548260, 767564, 959455, 1343237, 1918910, 2686474, 3837820, 5372948, 6716185, 13432370, 26864740]

約数ペア:

[(1, 26864740), (2, 13432370), (4, 6716185), (5, 5372948), (7, 3837820), (10, 2686474), (14, 1918910), (20, 1343237), (28, 959455), (35, 767564), (49, 548260), (70, 383782), (79, 340060), (98, 274130), (140, 191891), (158, 170030), (196, 137065), (245, 109652), (316, 85015), (347, 77420), (395, 68012), (490, 54826), (553, 48580), (694, 38710), (790, 34006), (980, 27413), (1106, 24290), (1388, 19355), (1580, 17003), (1735, 15484), (2212, 12145), (2429, 11060), (2765, 9716), (3470, 7742), (3871, 6940), (4858, 5530)]