285871120

素因数分解:

$2^4\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{2861}}^1$

素因数の和:4123

約数の個数: 40

約数和(自身を含む): 665415000

約数和(自身を除く): 379543880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249, 2498, 2861, 4996, 5722, 6245, 9992, 11444, 12490, 14305, 19984, 22888, 24980, 28610, 45776, 49960, 57220, 99920, 114440, 228880, 3573389, 7146778, 14293556, 17866945, 28587112, 35733890, 57174224, 71467780, 142935560, 285871120]

約数ペア:

[(1, 285871120), (2, 142935560), (4, 71467780), (5, 57174224), (8, 35733890), (10, 28587112), (16, 17866945), (20, 14293556), (40, 7146778), (80, 3573389), (1249, 228880), (2498, 114440), (2861, 99920), (4996, 57220), (5722, 49960), (6245, 45776), (9992, 28610), (11444, 24980), (12490, 22888), (14305, 19984)]