490701420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{247829}}^1$

素因数の和:247855

約数の個数: 72

約数和(自身を含む): 1623782160

約数和(自身を除く): 1133080740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 247829, 495658, 743487, 991316, 1239145, 1486974, 2230461, 2478290, 2726119, 2973948, 3717435, 4460922, 4956580, 5452238, 7434870, 8178357, 8921844, 10904476, 11152305, 13630595, 14869740, 16356714, 22304610, 24535071, 27261190, 32713428, 40891785, 44609220, 49070142, 54522380, 81783570, 98140284, 122675355, 163567140, 245350710, 490701420]

約数ペア:

[(1, 490701420), (2, 245350710), (3, 163567140), (4, 122675355), (5, 98140284), (6, 81783570), (9, 54522380), (10, 49070142), (11, 44609220), (12, 40891785), (15, 32713428), (18, 27261190), (20, 24535071), (22, 22304610), (30, 16356714), (33, 14869740), (36, 13630595), (44, 11152305), (45, 10904476), (55, 8921844), (60, 8178357), (66, 7434870), (90, 5452238), (99, 4956580), (110, 4460922), (132, 3717435), (165, 2973948), (180, 2726119), (198, 2478290), (220, 2230461), (330, 1486974), (396, 1239145), (495, 991316), (660, 743487), (990, 495658), (1980, 247829)]