419921488

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 1055932416

約数和(自身を除く): 636010928

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 43, 46, 56, 68, 86, 92, 112, 119, 136, 161, 172, 184, 223, 238, 272, 301, 322, 344, 368, 391, 446, 476, 602, 644, 688, 731, 782, 892, 952, 989, 1204, 1288, 1462, 1561, 1564, 1784, 1904, 1978, 2408, 2576, 2737, 2924, 3122, 3128, 3568, 3791, 3956, 4816, 5117, 5129, 5474, 5848, 6244, 6256, 6923, 7582, 7912, 9589, 10234, 10258, 10948, 11696, 12488, 13846, 15164, 15824, 16813, 19178, 20468, 20516, 21896, 24976, 26537, 27692, 30328, 33626, 35903, 38356, 40936, 41032, 43792, 53074, 55384, 60656, 67123, 67252, 71806, 76712, 81872, 82064, 87193, 106148, 110768, 117691, 134246, 134504, 143612, 153424, 163013, 174386, 212296, 220547, 235382, 268492, 269008, 287224, 326026, 348772, 424592, 441094, 470764, 536984, 574448, 610351, 652052, 697544, 882188, 941528, 1073968, 1141091, 1220702, 1304104, 1395088, 1543829, 1764376, 1883056, 2282182, 2441404, 2608208, 3087658, 3528752, 3749299, 4564364, 4882808, 6175316, 7498598, 9128728, 9765616, 12350632, 14997196, 18257456, 24701264, 26245093, 29994392, 52490186, 59988784, 104980372, 209960744, 419921488]

約数ペア:

[(1, 419921488), (2, 209960744), (4, 104980372), (7, 59988784), (8, 52490186), (14, 29994392), (16, 26245093), (17, 24701264), (23, 18257456), (28, 14997196), (34, 12350632), (43, 9765616), (46, 9128728), (56, 7498598), (68, 6175316), (86, 4882808), (92, 4564364), (112, 3749299), (119, 3528752), (136, 3087658), (161, 2608208), (172, 2441404), (184, 2282182), (223, 1883056), (238, 1764376), (272, 1543829), (301, 1395088), (322, 1304104), (344, 1220702), (368, 1141091), (391, 1073968), (446, 941528), (476, 882188), (602, 697544), (644, 652052), (688, 610351), (731, 574448), (782, 536984), (892, 470764), (952, 441094), (989, 424592), (1204, 348772), (1288, 326026), (1462, 287224), (1561, 269008), (1564, 268492), (1784, 235382), (1904, 220547), (1978, 212296), (2408, 174386), (2576, 163013), (2737, 153424), (2924, 143612), (3122, 134504), (3128, 134246), (3568, 117691), (3791, 110768), (3956, 106148), (4816, 87193), (5117, 82064), (5129, 81872), (5474, 76712), (5848, 71806), (6244, 67252), (6256, 67123), (6923, 60656), (7582, 55384), (7912, 53074), (9589, 43792), (10234, 41032), (10258, 40936), (10948, 38356), (11696, 35903), (12488, 33626), (13846, 30328), (15164, 27692), (15824, 26537), (16813, 24976), (19178, 21896), (20468, 20516)]