17087320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 40176000

約数和(自身を除く): 23088680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 149, 188, 235, 244, 298, 305, 376, 470, 488, 596, 610, 745, 940, 1192, 1220, 1490, 1880, 2440, 2867, 2980, 5734, 5960, 7003, 9089, 11468, 14006, 14335, 18178, 22936, 28012, 28670, 35015, 36356, 45445, 56024, 57340, 70030, 72712, 90890, 114680, 140060, 181780, 280120, 363560, 427183, 854366, 1708732, 2135915, 3417464, 4271830, 8543660, 17087320]

約数ペア:

[(1, 17087320), (2, 8543660), (4, 4271830), (5, 3417464), (8, 2135915), (10, 1708732), (20, 854366), (40, 427183), (47, 363560), (61, 280120), (94, 181780), (122, 140060), (149, 114680), (188, 90890), (235, 72712), (244, 70030), (298, 57340), (305, 56024), (376, 45445), (470, 36356), (488, 35015), (596, 28670), (610, 28012), (745, 22936), (940, 18178), (1192, 14335), (1220, 14006), (1490, 11468), (1880, 9089), (2440, 7003), (2867, 5960), (2980, 5734)]