218889520

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{11743}}^1$

素因数の和:11989

約数の個数: 40

約数和(自身を含む): 511145856

約数和(自身を除く): 292256336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 11743, 18640, 23486, 46972, 58715, 93944, 117430, 187888, 234860, 469720, 939440, 2736119, 5472238, 10944476, 13680595, 21888952, 27361190, 43777904, 54722380, 109444760, 218889520]

約数ペア:

[(1, 218889520), (2, 109444760), (4, 54722380), (5, 43777904), (8, 27361190), (10, 21888952), (16, 13680595), (20, 10944476), (40, 5472238), (80, 2736119), (233, 939440), (466, 469720), (932, 234860), (1165, 187888), (1864, 117430), (2330, 93944), (3728, 58715), (4660, 46972), (9320, 23486), (11743, 18640)]