15511888100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{479}}^1\times {\mathrm{2971}}^1$

素因数の和:3573

約数の個数: 72

約数和(自身を含む): 34051987200

約数和(自身を除く): 18540099100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 479, 545, 958, 1090, 1916, 2180, 2395, 2725, 2971, 4790, 5450, 5942, 9580, 10900, 11884, 11975, 14855, 23950, 29710, 47900, 52211, 59420, 74275, 104422, 148550, 208844, 261055, 297100, 323839, 522110, 647678, 1044220, 1295356, 1305275, 1423109, 1619195, 2610550, 2846218, 3238390, 5221100, 5692436, 6476780, 7115545, 8095975, 14231090, 16191950, 28462180, 32383900, 35577725, 71155450, 142310900, 155118881, 310237762, 620475524, 775594405, 1551188810, 3102377620, 3877972025, 7755944050, 15511888100]

約数ペア:

[(1, 15511888100), (2, 7755944050), (4, 3877972025), (5, 3102377620), (10, 1551188810), (20, 775594405), (25, 620475524), (50, 310237762), (100, 155118881), (109, 142310900), (218, 71155450), (436, 35577725), (479, 32383900), (545, 28462180), (958, 16191950), (1090, 14231090), (1916, 8095975), (2180, 7115545), (2395, 6476780), (2725, 5692436), (2971, 5221100), (4790, 3238390), (5450, 2846218), (5942, 2610550), (9580, 1619195), (10900, 1423109), (11884, 1305275), (11975, 1295356), (14855, 1044220), (23950, 647678), (29710, 522110), (47900, 323839), (52211, 297100), (59420, 261055), (74275, 208844), (104422, 148550)]