404790320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9787}}^1$

素因数の和:9858

約数の個数: 80

約数和(自身を含む): 1048647168

約数和(自身を除く): 643856848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 9787, 10340, 19574, 20680, 39148, 41360, 48935, 78296, 97870, 107657, 156592, 195740, 215314, 391480, 430628, 459989, 538285, 782960, 861256, 919978, 1076570, 1722512, 1839956, 2153140, 2299945, 3679912, 4306280, 4599890, 5059879, 7359824, 8612560, 9199780, 10119758, 18399560, 20239516, 25299395, 36799120, 40479032, 50598790, 80958064, 101197580, 202395160, 404790320]

約数ペア:

[(1, 404790320), (2, 202395160), (4, 101197580), (5, 80958064), (8, 50598790), (10, 40479032), (11, 36799120), (16, 25299395), (20, 20239516), (22, 18399560), (40, 10119758), (44, 9199780), (47, 8612560), (55, 7359824), (80, 5059879), (88, 4599890), (94, 4306280), (110, 3679912), (176, 2299945), (188, 2153140), (220, 1839956), (235, 1722512), (376, 1076570), (440, 919978), (470, 861256), (517, 782960), (752, 538285), (880, 459989), (940, 430628), (1034, 391480), (1880, 215314), (2068, 195740), (2585, 156592), (3760, 107657), (4136, 97870), (5170, 78296), (8272, 48935), (9787, 41360), (10340, 39148), (19574, 20680)]