201766840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3299}}^1$

素因数の和:3460

約数の個数: 64

約数和(自身を含む): 498960000

約数和(自身を除く): 297193160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 3058, 3299, 5560, 6116, 6598, 7645, 12232, 13196, 15290, 16495, 26392, 30580, 32990, 36289, 61160, 65980, 72578, 131960, 145156, 181445, 290312, 362890, 458561, 725780, 917122, 1451560, 1834244, 2292805, 3668488, 4585610, 5044171, 9171220, 10088342, 18342440, 20176684, 25220855, 40353368, 50441710, 100883420, 201766840]

約数ペア:

[(1, 201766840), (2, 100883420), (4, 50441710), (5, 40353368), (8, 25220855), (10, 20176684), (11, 18342440), (20, 10088342), (22, 9171220), (40, 5044171), (44, 4585610), (55, 3668488), (88, 2292805), (110, 1834244), (139, 1451560), (220, 917122), (278, 725780), (440, 458561), (556, 362890), (695, 290312), (1112, 181445), (1390, 145156), (1529, 131960), (2780, 72578), (3058, 65980), (3299, 61160), (5560, 36289), (6116, 32990), (6598, 30580), (7645, 26392), (12232, 16495), (13196, 15290)]