223313750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 80

約数和(自身を含む): 463914000

約数和(自身を除く): 240600250

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 125, 149, 218, 250, 275, 298, 545, 550, 625, 745, 1090, 1199, 1250, 1375, 1490, 1639, 2398, 2725, 2750, 3278, 3725, 5450, 5995, 6875, 7450, 8195, 11990, 13625, 13750, 16241, 16390, 18625, 27250, 29975, 32482, 37250, 40975, 59950, 68125, 81205, 81950, 93125, 136250, 149875, 162410, 178651, 186250, 204875, 299750, 357302, 406025, 409750, 749375, 812050, 893255, 1024375, 1498750, 1786510, 2030125, 2048750, 4060250, 4466275, 8932550, 10150625, 20301250, 22331375, 44662750, 111656875, 223313750]

約数ペア:

[(1, 223313750), (2, 111656875), (5, 44662750), (10, 22331375), (11, 20301250), (22, 10150625), (25, 8932550), (50, 4466275), (55, 4060250), (109, 2048750), (110, 2030125), (125, 1786510), (149, 1498750), (218, 1024375), (250, 893255), (275, 812050), (298, 749375), (545, 409750), (550, 406025), (625, 357302), (745, 299750), (1090, 204875), (1199, 186250), (1250, 178651), (1375, 162410), (1490, 149875), (1639, 136250), (2398, 93125), (2725, 81950), (2750, 81205), (3278, 68125), (3725, 59950), (5450, 40975), (5995, 37250), (6875, 32482), (7450, 29975), (8195, 27250), (11990, 18625), (13625, 16390), (13750, 16241)]