209531790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 622702080

約数和(自身を除く): 413170290

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 53, 62, 65, 78, 90, 93, 106, 109, 117, 130, 155, 159, 186, 195, 218, 234, 265, 279, 310, 318, 327, 390, 403, 465, 477, 530, 545, 558, 585, 654, 689, 795, 806, 930, 954, 981, 1090, 1170, 1209, 1378, 1395, 1417, 1590, 1635, 1643, 1962, 2015, 2067, 2385, 2418, 2790, 2834, 3270, 3286, 3379, 3445, 3627, 4030, 4134, 4251, 4770, 4905, 4929, 5777, 6045, 6201, 6758, 6890, 7085, 7254, 8215, 8502, 9810, 9858, 10137, 10335, 11554, 12090, 12402, 12753, 14170, 14787, 16430, 16895, 17331, 18135, 20274, 20670, 21255, 21359, 24645, 25506, 28885, 29574, 30411, 31005, 33790, 34662, 36270, 42510, 42718, 43927, 49290, 50685, 51993, 57770, 60822, 62010, 63765, 64077, 73935, 75101, 86655, 87854, 101370, 103986, 106795, 127530, 128154, 131781, 147870, 150202, 152055, 173310, 179087, 192231, 213590, 219635, 225303, 259965, 263562, 304110, 320385, 358174, 375505, 384462, 395343, 439270, 450606, 519930, 537261, 640770, 658905, 675909, 751010, 790686, 895435, 961155, 1074522, 1126515, 1317810, 1351818, 1611783, 1790870, 1922310, 1976715, 2253030, 2328131, 2686305, 3223566, 3379545, 3953430, 4656262, 5372610, 6759090, 6984393, 8058915, 11640655, 13968786, 16117830, 20953179, 23281310, 34921965, 41906358, 69843930, 104765895, 209531790]

約数ペア:

[(1, 209531790), (2, 104765895), (3, 69843930), (5, 41906358), (6, 34921965), (9, 23281310), (10, 20953179), (13, 16117830), (15, 13968786), (18, 11640655), (26, 8058915), (30, 6984393), (31, 6759090), (39, 5372610), (45, 4656262), (53, 3953430), (62, 3379545), (65, 3223566), (78, 2686305), (90, 2328131), (93, 2253030), (106, 1976715), (109, 1922310), (117, 1790870), (130, 1611783), (155, 1351818), (159, 1317810), (186, 1126515), (195, 1074522), (218, 961155), (234, 895435), (265, 790686), (279, 751010), (310, 675909), (318, 658905), (327, 640770), (390, 537261), (403, 519930), (465, 450606), (477, 439270), (530, 395343), (545, 384462), (558, 375505), (585, 358174), (654, 320385), (689, 304110), (795, 263562), (806, 259965), (930, 225303), (954, 219635), (981, 213590), (1090, 192231), (1170, 179087), (1209, 173310), (1378, 152055), (1395, 150202), (1417, 147870), (1590, 131781), (1635, 128154), (1643, 127530), (1962, 106795), (2015, 103986), (2067, 101370), (2385, 87854), (2418, 86655), (2790, 75101), (2834, 73935), (3270, 64077), (3286, 63765), (3379, 62010), (3445, 60822), (3627, 57770), (4030, 51993), (4134, 50685), (4251, 49290), (4770, 43927), (4905, 42718), (4929, 42510), (5777, 36270), (6045, 34662), (6201, 33790), (6758, 31005), (6890, 30411), (7085, 29574), (7254, 28885), (8215, 25506), (8502, 24645), (9810, 21359), (9858, 21255), (10137, 20670), (10335, 20274), (11554, 18135), (12090, 17331), (12402, 16895), (12753, 16430), (14170, 14787)]