199897290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 570679200

約数和(自身を除く): 370781910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 139, 145, 171, 174, 190, 261, 278, 285, 290, 342, 417, 435, 522, 551, 570, 695, 834, 841, 855, 870, 1102, 1251, 1305, 1390, 1653, 1682, 1710, 2085, 2502, 2523, 2610, 2641, 2755, 3306, 4031, 4170, 4205, 4959, 5046, 5282, 5510, 6255, 7569, 7923, 8062, 8265, 8410, 9918, 12093, 12510, 12615, 13205, 15138, 15846, 15979, 16530, 20155, 23769, 24186, 24795, 25230, 26410, 31958, 36279, 37845, 39615, 40310, 47538, 47937, 49590, 60465, 72558, 75690, 76589, 79230, 79895, 95874, 116899, 118845, 120930, 143811, 153178, 159790, 181395, 229767, 233798, 237690, 239685, 287622, 350697, 362790, 382945, 459534, 479370, 584495, 689301, 701394, 719055, 765890, 1052091, 1148835, 1168990, 1378602, 1438110, 1753485, 2104182, 2221081, 2297670, 3446505, 3506970, 4442162, 5260455, 6663243, 6893010, 10520910, 11105405, 13326486, 19989729, 22210810, 33316215, 39979458, 66632430, 99948645, 199897290]

約数ペア:

[(1, 199897290), (2, 99948645), (3, 66632430), (5, 39979458), (6, 33316215), (9, 22210810), (10, 19989729), (15, 13326486), (18, 11105405), (19, 10520910), (29, 6893010), (30, 6663243), (38, 5260455), (45, 4442162), (57, 3506970), (58, 3446505), (87, 2297670), (90, 2221081), (95, 2104182), (114, 1753485), (139, 1438110), (145, 1378602), (171, 1168990), (174, 1148835), (190, 1052091), (261, 765890), (278, 719055), (285, 701394), (290, 689301), (342, 584495), (417, 479370), (435, 459534), (522, 382945), (551, 362790), (570, 350697), (695, 287622), (834, 239685), (841, 237690), (855, 233798), (870, 229767), (1102, 181395), (1251, 159790), (1305, 153178), (1390, 143811), (1653, 120930), (1682, 118845), (1710, 116899), (2085, 95874), (2502, 79895), (2523, 79230), (2610, 76589), (2641, 75690), (2755, 72558), (3306, 60465), (4031, 49590), (4170, 47937), (4205, 47538), (4959, 40310), (5046, 39615), (5282, 37845), (5510, 36279), (6255, 31958), (7569, 26410), (7923, 25230), (8062, 24795), (8265, 24186), (8410, 23769), (9918, 20155), (12093, 16530), (12510, 15979), (12615, 15846), (13205, 15138)]