42745640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 113455080

約数和(自身を除く): 70709440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 113, 140, 193, 196, 226, 245, 280, 386, 392, 452, 490, 565, 772, 791, 904, 965, 980, 1130, 1351, 1544, 1582, 1930, 1960, 2260, 2702, 3164, 3860, 3955, 4520, 5404, 5537, 6328, 6755, 7720, 7910, 9457, 10808, 11074, 13510, 15820, 18914, 21809, 22148, 27020, 27685, 31640, 37828, 43618, 44296, 47285, 54040, 55370, 75656, 87236, 94570, 109045, 110740, 152663, 174472, 189140, 218090, 221480, 305326, 378280, 436180, 610652, 763315, 872360, 1068641, 1221304, 1526630, 2137282, 3053260, 4274564, 5343205, 6106520, 8549128, 10686410, 21372820, 42745640]

約数ペア:

[(1, 42745640), (2, 21372820), (4, 10686410), (5, 8549128), (7, 6106520), (8, 5343205), (10, 4274564), (14, 3053260), (20, 2137282), (28, 1526630), (35, 1221304), (40, 1068641), (49, 872360), (56, 763315), (70, 610652), (98, 436180), (113, 378280), (140, 305326), (193, 221480), (196, 218090), (226, 189140), (245, 174472), (280, 152663), (386, 110740), (392, 109045), (452, 94570), (490, 87236), (565, 75656), (772, 55370), (791, 54040), (904, 47285), (965, 44296), (980, 43618), (1130, 37828), (1351, 31640), (1544, 27685), (1582, 27020), (1930, 22148), (1960, 21809), (2260, 18914), (2702, 15820), (3164, 13510), (3860, 11074), (3955, 10808), (4520, 9457), (5404, 7910), (5537, 7720), (6328, 6755)]