28578760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2083}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 75024000

約数和(自身を除く): 46445240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2083, 2744, 3430, 4166, 6860, 8332, 10415, 13720, 14581, 16664, 20830, 29162, 41660, 58324, 72905, 83320, 102067, 116648, 145810, 204134, 291620, 408268, 510335, 583240, 714469, 816536, 1020670, 1428938, 2041340, 2857876, 3572345, 4082680, 5715752, 7144690, 14289380, 28578760]

約数ペア:

[(1, 28578760), (2, 14289380), (4, 7144690), (5, 5715752), (7, 4082680), (8, 3572345), (10, 2857876), (14, 2041340), (20, 1428938), (28, 1020670), (35, 816536), (40, 714469), (49, 583240), (56, 510335), (70, 408268), (98, 291620), (140, 204134), (196, 145810), (245, 116648), (280, 102067), (343, 83320), (392, 72905), (490, 58324), (686, 41660), (980, 29162), (1372, 20830), (1715, 16664), (1960, 14581), (2083, 13720), (2744, 10415), (3430, 8332), (4166, 6860)]