1269620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 3024000

約数和(自身を除く): 1754380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 199, 220, 290, 319, 398, 580, 638, 796, 995, 1276, 1595, 1990, 2189, 3190, 3980, 4378, 5771, 6380, 8756, 10945, 11542, 21890, 23084, 28855, 43780, 57710, 63481, 115420, 126962, 253924, 317405, 634810, 1269620]

約数ペア:

[(1, 1269620), (2, 634810), (4, 317405), (5, 253924), (10, 126962), (11, 115420), (20, 63481), (22, 57710), (29, 43780), (44, 28855), (55, 23084), (58, 21890), (110, 11542), (116, 10945), (145, 8756), (199, 6380), (220, 5771), (290, 4378), (319, 3980), (398, 3190), (580, 2189), (638, 1990), (796, 1595), (995, 1276)]