205528510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3457

約数の個数: 64

約数和(自身を含む): 439603200

約数和(自身を除く): 234074690

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 290, 319, 418, 551, 638, 1045, 1102, 1595, 2090, 2755, 3190, 3391, 5510, 6061, 6782, 12122, 16955, 30305, 33910, 37301, 60610, 64429, 74602, 98339, 128858, 186505, 196678, 322145, 373010, 491695, 644290, 708719, 983390, 1081729, 1417438, 1868441, 2163458, 3543595, 3736882, 5408645, 7087190, 9342205, 10817290, 18684410, 20552851, 41105702, 102764255, 205528510]

約数ペア:

[(1, 205528510), (2, 102764255), (5, 41105702), (10, 20552851), (11, 18684410), (19, 10817290), (22, 9342205), (29, 7087190), (38, 5408645), (55, 3736882), (58, 3543595), (95, 2163458), (110, 1868441), (145, 1417438), (190, 1081729), (209, 983390), (290, 708719), (319, 644290), (418, 491695), (551, 373010), (638, 322145), (1045, 196678), (1102, 186505), (1595, 128858), (2090, 98339), (2755, 74602), (3190, 64429), (3391, 60610), (5510, 37301), (6061, 33910), (6782, 30305), (12122, 16955)]