85072820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 212357376

約数和(自身を除く): 127284556

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, 1847, 2303, 3290, 3694, 4606, 6580, 7388, 9212, 9235, 11515, 12929, 18470, 23030, 25858, 36940, 46060, 51716, 64645, 86809, 90503, 129290, 173618, 181006, 258580, 347236, 362012, 434045, 452515, 607663, 868090, 905030, 1215326, 1736180, 1810060, 2430652, 3038315, 4253641, 6076630, 8507282, 12153260, 17014564, 21268205, 42536410, 85072820]

約数ペア:

[(1, 85072820), (2, 42536410), (4, 21268205), (5, 17014564), (7, 12153260), (10, 8507282), (14, 6076630), (20, 4253641), (28, 3038315), (35, 2430652), (47, 1810060), (49, 1736180), (70, 1215326), (94, 905030), (98, 868090), (140, 607663), (188, 452515), (196, 434045), (235, 362012), (245, 347236), (329, 258580), (470, 181006), (490, 173618), (658, 129290), (940, 90503), (980, 86809), (1316, 64645), (1645, 51716), (1847, 46060), (2303, 36940), (3290, 25858), (3694, 23030), (4606, 18470), (6580, 12929), (7388, 11515), (9212, 9235)]