208191760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1013}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 555250176

約数和(自身を除く): 347058416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 1013, 1468, 1835, 2026, 2569, 2936, 3670, 4052, 5065, 5138, 5872, 7091, 7340, 8104, 10130, 10276, 12845, 14182, 14680, 16208, 20260, 20552, 25690, 28364, 29360, 35455, 40520, 41104, 51380, 56728, 70910, 81040, 102760, 113456, 141820, 205520, 283640, 371771, 567280, 743542, 1487084, 1858855, 2602397, 2974168, 3717710, 5204794, 5948336, 7435420, 10409588, 13011985, 14870840, 20819176, 26023970, 29741680, 41638352, 52047940, 104095880, 208191760]

約数ペア:

[(1, 208191760), (2, 104095880), (4, 52047940), (5, 41638352), (7, 29741680), (8, 26023970), (10, 20819176), (14, 14870840), (16, 13011985), (20, 10409588), (28, 7435420), (35, 5948336), (40, 5204794), (56, 3717710), (70, 2974168), (80, 2602397), (112, 1858855), (140, 1487084), (280, 743542), (367, 567280), (560, 371771), (734, 283640), (1013, 205520), (1468, 141820), (1835, 113456), (2026, 102760), (2569, 81040), (2936, 70910), (3670, 56728), (4052, 51380), (5065, 41104), (5138, 40520), (5872, 35455), (7091, 29360), (7340, 28364), (8104, 25690), (10130, 20552), (10276, 20260), (12845, 16208), (14182, 14680)]