399794580

素因数分解:

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

素因数の和:231

約数の個数: 216

約数和(自身を含む): 1331584800

約数和(自身を除く): 931790220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 139, 145, 171, 174, 180, 190, 228, 261, 278, 285, 290, 342, 348, 380, 417, 435, 522, 551, 556, 570, 580, 684, 695, 834, 841, 855, 870, 1044, 1102, 1140, 1251, 1305, 1390, 1653, 1668, 1682, 1710, 1740, 2085, 2204, 2502, 2523, 2610, 2641, 2755, 2780, 3306, 3364, 3420, 4031, 4170, 4205, 4959, 5004, 5046, 5220, 5282, 5510, 6255, 6612, 7569, 7923, 8062, 8265, 8340, 8410, 9918, 10092, 10564, 11020, 12093, 12510, 12615, 13205, 15138, 15846, 15979, 16124, 16530, 16820, 19836, 20155, 23769, 24186, 24795, 25020, 25230, 26410, 30276, 31692, 31958, 33060, 36279, 37845, 39615, 40310, 47538, 47937, 48372, 49590, 50460, 52820, 60465, 63916, 72558, 75690, 76589, 79230, 79895, 80620, 95076, 95874, 99180, 116899, 118845, 120930, 143811, 145116, 151380, 153178, 158460, 159790, 181395, 191748, 229767, 233798, 237690, 239685, 241860, 287622, 306356, 319580, 350697, 362790, 382945, 459534, 467596, 475380, 479370, 575244, 584495, 689301, 701394, 719055, 725580, 765890, 919068, 958740, 1052091, 1148835, 1168990, 1378602, 1402788, 1438110, 1531780, 1753485, 2104182, 2221081, 2297670, 2337980, 2757204, 2876220, 3446505, 3506970, 4208364, 4442162, 4595340, 5260455, 6663243, 6893010, 7013940, 8884324, 10520910, 11105405, 13326486, 13786020, 19989729, 21041820, 22210810, 26652972, 33316215, 39979458, 44421620, 66632430, 79958916, 99948645, 133264860, 199897290, 399794580]

約数ペア:

[(1, 399794580), (2, 199897290), (3, 133264860), (4, 99948645), (5, 79958916), (6, 66632430), (9, 44421620), (10, 39979458), (12, 33316215), (15, 26652972), (18, 22210810), (19, 21041820), (20, 19989729), (29, 13786020), (30, 13326486), (36, 11105405), (38, 10520910), (45, 8884324), (57, 7013940), (58, 6893010), (60, 6663243), (76, 5260455), (87, 4595340), (90, 4442162), (95, 4208364), (114, 3506970), (116, 3446505), (139, 2876220), (145, 2757204), (171, 2337980), (174, 2297670), (180, 2221081), (190, 2104182), (228, 1753485), (261, 1531780), (278, 1438110), (285, 1402788), (290, 1378602), (342, 1168990), (348, 1148835), (380, 1052091), (417, 958740), (435, 919068), (522, 765890), (551, 725580), (556, 719055), (570, 701394), (580, 689301), (684, 584495), (695, 575244), (834, 479370), (841, 475380), (855, 467596), (870, 459534), (1044, 382945), (1102, 362790), (1140, 350697), (1251, 319580), (1305, 306356), (1390, 287622), (1653, 241860), (1668, 239685), (1682, 237690), (1710, 233798), (1740, 229767), (2085, 191748), (2204, 181395), (2502, 159790), (2523, 158460), (2610, 153178), (2641, 151380), (2755, 145116), (2780, 143811), (3306, 120930), (3364, 118845), (3420, 116899), (4031, 99180), (4170, 95874), (4205, 95076), (4959, 80620), (5004, 79895), (5046, 79230), (5220, 76589), (5282, 75690), (5510, 72558), (6255, 63916), (6612, 60465), (7569, 52820), (7923, 50460), (8062, 49590), (8265, 48372), (8340, 47937), (8410, 47538), (9918, 40310), (10092, 39615), (10564, 37845), (11020, 36279), (12093, 33060), (12510, 31958), (12615, 31692), (13205, 30276), (15138, 26410), (15846, 25230), (15979, 25020), (16124, 24795), (16530, 24186), (16820, 23769), (19836, 20155)]