9915180980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{369143}}^1$

素因数の和:369248

約数の個数: 48

約数和(自身を含む): 22325829120

約数和(自身を除く): 12410648140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 13430, 26860, 369143, 738286, 1476572, 1845715, 3691430, 6275431, 7382860, 12550862, 25101724, 29162297, 31377155, 58324594, 62754310, 116649188, 125508620, 145811485, 291622970, 495759049, 583245940, 991518098, 1983036196, 2478795245, 4957590490, 9915180980]

約数ペア:

[(1, 9915180980), (2, 4957590490), (4, 2478795245), (5, 1983036196), (10, 991518098), (17, 583245940), (20, 495759049), (34, 291622970), (68, 145811485), (79, 125508620), (85, 116649188), (158, 62754310), (170, 58324594), (316, 31377155), (340, 29162297), (395, 25101724), (790, 12550862), (1343, 7382860), (1580, 6275431), (2686, 3691430), (5372, 1845715), (6715, 1476572), (13430, 738286), (26860, 369143)]