858845080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1607}}^1$

素因数の和:2080

約数の個数: 64

約数和(自身を含む): 2000609280

約数和(自身を除く): 1141764200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 431, 620, 862, 1240, 1607, 1724, 2155, 3214, 3448, 4310, 6428, 8035, 8620, 12856, 13361, 16070, 17240, 26722, 32140, 49817, 53444, 64280, 66805, 99634, 106888, 133610, 199268, 249085, 267220, 398536, 498170, 534440, 692617, 996340, 1385234, 1992680, 2770468, 3463085, 5540936, 6926170, 13852340, 21471127, 27704680, 42942254, 85884508, 107355635, 171769016, 214711270, 429422540, 858845080]

約数ペア:

[(1, 858845080), (2, 429422540), (4, 214711270), (5, 171769016), (8, 107355635), (10, 85884508), (20, 42942254), (31, 27704680), (40, 21471127), (62, 13852340), (124, 6926170), (155, 5540936), (248, 3463085), (310, 2770468), (431, 1992680), (620, 1385234), (862, 996340), (1240, 692617), (1607, 534440), (1724, 498170), (2155, 398536), (3214, 267220), (3448, 249085), (4310, 199268), (6428, 133610), (8035, 106888), (8620, 99634), (12856, 66805), (13361, 64280), (16070, 53444), (17240, 49817), (26722, 32140)]