8244740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 20684160

約数和(自身を除く): 12439420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 179, 188, 196, 235, 245, 329, 358, 470, 490, 658, 716, 895, 940, 980, 1253, 1316, 1645, 1790, 2303, 2506, 3290, 3580, 4606, 5012, 6265, 6580, 8413, 8771, 9212, 11515, 12530, 16826, 17542, 23030, 25060, 33652, 35084, 42065, 43855, 46060, 58891, 84130, 87710, 117782, 168260, 175420, 235564, 294455, 412237, 588910, 824474, 1177820, 1648948, 2061185, 4122370, 8244740]

約数ペア:

[(1, 8244740), (2, 4122370), (4, 2061185), (5, 1648948), (7, 1177820), (10, 824474), (14, 588910), (20, 412237), (28, 294455), (35, 235564), (47, 175420), (49, 168260), (70, 117782), (94, 87710), (98, 84130), (140, 58891), (179, 46060), (188, 43855), (196, 42065), (235, 35084), (245, 33652), (329, 25060), (358, 23030), (470, 17542), (490, 16826), (658, 12530), (716, 11515), (895, 9212), (940, 8771), (980, 8413), (1253, 6580), (1316, 6265), (1645, 5012), (1790, 4606), (2303, 3580), (2506, 3290)]