208492020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3631}}^1$

素因数の和:3686

約数の個数: 144

約数和(自身を含む): 713905920

約数和(自身を除く): 505413900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1276, 1305, 1595, 1740, 1914, 1980, 2610, 2871, 3190, 3631, 3828, 4785, 5220, 5742, 6380, 7262, 9570, 10893, 11484, 14355, 14524, 18155, 19140, 21786, 28710, 32679, 36310, 39941, 43572, 54465, 57420, 65358, 72620, 79882, 105299, 108930, 119823, 130716, 159764, 163395, 199705, 210598, 217860, 239646, 315897, 326790, 359469, 399410, 421196, 479292, 526495, 599115, 631794, 653580, 718938, 798820, 947691, 1052990, 1158289, 1198230, 1263588, 1437876, 1579485, 1797345, 1895382, 2105980, 2316578, 2396460, 3158970, 3474867, 3594690, 3790764, 4633156, 4738455, 5791445, 6317940, 6949734, 7189380, 9476910, 10424601, 11582890, 13899468, 17374335, 18953820, 20849202, 23165780, 34748670, 41698404, 52123005, 69497340, 104246010, 208492020]

約数ペア:

[(1, 208492020), (2, 104246010), (3, 69497340), (4, 52123005), (5, 41698404), (6, 34748670), (9, 23165780), (10, 20849202), (11, 18953820), (12, 17374335), (15, 13899468), (18, 11582890), (20, 10424601), (22, 9476910), (29, 7189380), (30, 6949734), (33, 6317940), (36, 5791445), (44, 4738455), (45, 4633156), (55, 3790764), (58, 3594690), (60, 3474867), (66, 3158970), (87, 2396460), (90, 2316578), (99, 2105980), (110, 1895382), (116, 1797345), (132, 1579485), (145, 1437876), (165, 1263588), (174, 1198230), (180, 1158289), (198, 1052990), (220, 947691), (261, 798820), (290, 718938), (319, 653580), (330, 631794), (348, 599115), (396, 526495), (435, 479292), (495, 421196), (522, 399410), (580, 359469), (638, 326790), (660, 315897), (870, 239646), (957, 217860), (990, 210598), (1044, 199705), (1276, 163395), (1305, 159764), (1595, 130716), (1740, 119823), (1914, 108930), (1980, 105299), (2610, 79882), (2871, 72620), (3190, 65358), (3631, 57420), (3828, 54465), (4785, 43572), (5220, 39941), (5742, 36310), (6380, 32679), (7262, 28710), (9570, 21786), (10893, 19140), (11484, 18155), (14355, 14524)]