215048920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2083}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 506412000

約数和(自身を除く): 291363080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 2083, 2581, 3560, 4166, 5162, 8332, 10324, 10415, 12905, 16664, 20648, 20830, 25810, 41660, 51620, 60407, 83320, 103240, 120814, 185387, 241628, 302035, 370774, 483256, 604070, 741548, 926935, 1208140, 1483096, 1853870, 2416280, 3707740, 5376223, 7415480, 10752446, 21504892, 26881115, 43009784, 53762230, 107524460, 215048920]

約数ペア:

[(1, 215048920), (2, 107524460), (4, 53762230), (5, 43009784), (8, 26881115), (10, 21504892), (20, 10752446), (29, 7415480), (40, 5376223), (58, 3707740), (89, 2416280), (116, 1853870), (145, 1483096), (178, 1208140), (232, 926935), (290, 741548), (356, 604070), (445, 483256), (580, 370774), (712, 302035), (890, 241628), (1160, 185387), (1780, 120814), (2083, 103240), (2581, 83320), (3560, 60407), (4166, 51620), (5162, 41660), (8332, 25810), (10324, 20830), (10415, 20648), (12905, 16664)]