212957460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{51439}}^1$

素因数の和:51477

約数の個数: 72

約数和(自身を含む): 674069760

約数和(自身を除く): 461112300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 51439, 102878, 154317, 205756, 257195, 308634, 462951, 514390, 617268, 771585, 925902, 1028780, 1183097, 1543170, 1851804, 2314755, 2366194, 3086340, 3549291, 4629510, 4732388, 5915485, 7098582, 9259020, 10647873, 11830970, 14197164, 17746455, 21295746, 23661940, 35492910, 42591492, 53239365, 70985820, 106478730, 212957460]

約数ペア:

[(1, 212957460), (2, 106478730), (3, 70985820), (4, 53239365), (5, 42591492), (6, 35492910), (9, 23661940), (10, 21295746), (12, 17746455), (15, 14197164), (18, 11830970), (20, 10647873), (23, 9259020), (30, 7098582), (36, 5915485), (45, 4732388), (46, 4629510), (60, 3549291), (69, 3086340), (90, 2366194), (92, 2314755), (115, 1851804), (138, 1543170), (180, 1183097), (207, 1028780), (230, 925902), (276, 771585), (345, 617268), (414, 514390), (460, 462951), (690, 308634), (828, 257195), (1035, 205756), (1380, 154317), (2070, 102878), (4140, 51439)]