78182440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 207026280

約数和(自身を除く): 128843840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 113, 140, 196, 226, 245, 280, 353, 392, 452, 490, 565, 706, 791, 904, 980, 1130, 1412, 1582, 1765, 1960, 2260, 2471, 2824, 3164, 3530, 3955, 4520, 4942, 5537, 6328, 7060, 7910, 9884, 11074, 12355, 14120, 15820, 17297, 19768, 22148, 24710, 27685, 31640, 34594, 39889, 44296, 49420, 55370, 69188, 79778, 86485, 98840, 110740, 138376, 159556, 172970, 199445, 221480, 279223, 319112, 345940, 398890, 558446, 691880, 797780, 1116892, 1396115, 1595560, 1954561, 2233784, 2792230, 3909122, 5584460, 7818244, 9772805, 11168920, 15636488, 19545610, 39091220, 78182440]

約数ペア:

[(1, 78182440), (2, 39091220), (4, 19545610), (5, 15636488), (7, 11168920), (8, 9772805), (10, 7818244), (14, 5584460), (20, 3909122), (28, 2792230), (35, 2233784), (40, 1954561), (49, 1595560), (56, 1396115), (70, 1116892), (98, 797780), (113, 691880), (140, 558446), (196, 398890), (226, 345940), (245, 319112), (280, 279223), (353, 221480), (392, 199445), (452, 172970), (490, 159556), (565, 138376), (706, 110740), (791, 98840), (904, 86485), (980, 79778), (1130, 69188), (1412, 55370), (1582, 49420), (1765, 44296), (1960, 39889), (2260, 34594), (2471, 31640), (2824, 27685), (3164, 24710), (3530, 22148), (3955, 19768), (4520, 17297), (4942, 15820), (5537, 14120), (6328, 12355), (7060, 11074), (7910, 9884)]