55743880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 129600000

約数和(自身を除く): 73856120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 149, 188, 199, 235, 298, 376, 398, 470, 596, 745, 796, 940, 995, 1192, 1490, 1592, 1880, 1990, 2980, 3980, 5960, 7003, 7960, 9353, 14006, 18706, 28012, 29651, 35015, 37412, 46765, 56024, 59302, 70030, 74824, 93530, 118604, 140060, 148255, 187060, 237208, 280120, 296510, 374120, 593020, 1186040, 1393597, 2787194, 5574388, 6967985, 11148776, 13935970, 27871940, 55743880]

約数ペア:

[(1, 55743880), (2, 27871940), (4, 13935970), (5, 11148776), (8, 6967985), (10, 5574388), (20, 2787194), (40, 1393597), (47, 1186040), (94, 593020), (149, 374120), (188, 296510), (199, 280120), (235, 237208), (298, 187060), (376, 148255), (398, 140060), (470, 118604), (596, 93530), (745, 74824), (796, 70030), (940, 59302), (995, 56024), (1192, 46765), (1490, 37412), (1592, 35015), (1880, 29651), (1990, 28012), (2980, 18706), (3980, 14006), (5960, 9353), (7003, 7960)]