219458840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 513820800

約数和(自身を除く): 294361960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1480, 1580, 1877, 2923, 3160, 3754, 5846, 7508, 9385, 11692, 14615, 15016, 18770, 23384, 29230, 37540, 58460, 69449, 75080, 116920, 138898, 148283, 277796, 296566, 347245, 555592, 593132, 694490, 741415, 1186264, 1388980, 1482830, 2777960, 2965660, 5486471, 5931320, 10972942, 21945884, 27432355, 43891768, 54864710, 109729420, 219458840]

約数ペア:

[(1, 219458840), (2, 109729420), (4, 54864710), (5, 43891768), (8, 27432355), (10, 21945884), (20, 10972942), (37, 5931320), (40, 5486471), (74, 2965660), (79, 2777960), (148, 1482830), (158, 1388980), (185, 1186264), (296, 741415), (316, 694490), (370, 593132), (395, 555592), (632, 347245), (740, 296566), (790, 277796), (1480, 148283), (1580, 138898), (1877, 116920), (2923, 75080), (3160, 69449), (3754, 58460), (5846, 37540), (7508, 29230), (9385, 23384), (11692, 18770), (14615, 15016)]