520020830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{5333}}^1$

素因数の和:5553

約数の個数: 48

約数和(自身を含む): 1094536800

約数和(自身を除く): 574515970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 398, 490, 995, 1393, 1990, 2786, 5333, 6965, 9751, 10666, 13930, 19502, 26665, 37331, 48755, 53330, 74662, 97510, 186655, 261317, 373310, 522634, 1061267, 1306585, 2122534, 2613170, 5306335, 7428869, 10612670, 14857738, 37144345, 52002083, 74288690, 104004166, 260010415, 520020830]

約数ペア:

[(1, 520020830), (2, 260010415), (5, 104004166), (7, 74288690), (10, 52002083), (14, 37144345), (35, 14857738), (49, 10612670), (70, 7428869), (98, 5306335), (199, 2613170), (245, 2122534), (398, 1306585), (490, 1061267), (995, 522634), (1393, 373310), (1990, 261317), (2786, 186655), (5333, 97510), (6965, 74662), (9751, 53330), (10666, 48755), (13930, 37331), (19502, 26665)]