177192820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3847}}^1$

素因数の和:3917

約数の個数: 72

約数和(自身を含む): 442181376

約数和(自身を除く): 264988556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 3847, 4606, 6580, 7694, 9212, 11515, 15388, 19235, 23030, 26929, 38470, 46060, 53858, 76940, 107716, 134645, 180809, 188503, 269290, 361618, 377006, 538580, 723236, 754012, 904045, 942515, 1265663, 1808090, 1885030, 2531326, 3616180, 3770060, 5062652, 6328315, 8859641, 12656630, 17719282, 25313260, 35438564, 44298205, 88596410, 177192820]

約数ペア:

[(1, 177192820), (2, 88596410), (4, 44298205), (5, 35438564), (7, 25313260), (10, 17719282), (14, 12656630), (20, 8859641), (28, 6328315), (35, 5062652), (47, 3770060), (49, 3616180), (70, 2531326), (94, 1885030), (98, 1808090), (140, 1265663), (188, 942515), (196, 904045), (235, 754012), (245, 723236), (329, 538580), (470, 377006), (490, 361618), (658, 269290), (940, 188503), (980, 180809), (1316, 134645), (1645, 107716), (2303, 76940), (3290, 53858), (3847, 46060), (4606, 38470), (6580, 26929), (7694, 23030), (9212, 19235), (11515, 15388)]