980423990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:526

約数の個数: 128

約数和(自身を含む): 2289530880

約数和(自身を除く): 1309106890

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 139, 161, 182, 230, 278, 299, 322, 337, 455, 598, 674, 695, 805, 910, 973, 1390, 1495, 1610, 1685, 1807, 1946, 2093, 2359, 2990, 3197, 3370, 3614, 4186, 4381, 4718, 4865, 6394, 7751, 8762, 9035, 9730, 10465, 11795, 12649, 15502, 15985, 18070, 20930, 21905, 22379, 23590, 25298, 30667, 31970, 38755, 41561, 43810, 44758, 46843, 54257, 61334, 63245, 77510, 83122, 93686, 100763, 108514, 111895, 126490, 153335, 201526, 207805, 223790, 234215, 271285, 290927, 306670, 327901, 415610, 468430, 503815, 542570, 581854, 608959, 655802, 705341, 1007630, 1077389, 1217918, 1410682, 1454635, 1639505, 2154778, 2909270, 3044795, 3279010, 3526705, 4262713, 5386945, 6089590, 7053410, 7541723, 8525426, 10773890, 14006057, 15083446, 21313565, 28012114, 37708615, 42627130, 70030285, 75417230, 98042399, 140060570, 196084798, 490211995, 980423990]

約数ペア:

[(1, 980423990), (2, 490211995), (5, 196084798), (7, 140060570), (10, 98042399), (13, 75417230), (14, 70030285), (23, 42627130), (26, 37708615), (35, 28012114), (46, 21313565), (65, 15083446), (70, 14006057), (91, 10773890), (115, 8525426), (130, 7541723), (139, 7053410), (161, 6089590), (182, 5386945), (230, 4262713), (278, 3526705), (299, 3279010), (322, 3044795), (337, 2909270), (455, 2154778), (598, 1639505), (674, 1454635), (695, 1410682), (805, 1217918), (910, 1077389), (973, 1007630), (1390, 705341), (1495, 655802), (1610, 608959), (1685, 581854), (1807, 542570), (1946, 503815), (2093, 468430), (2359, 415610), (2990, 327901), (3197, 306670), (3370, 290927), (3614, 271285), (4186, 234215), (4381, 223790), (4718, 207805), (4865, 201526), (6394, 153335), (7751, 126490), (8762, 111895), (9035, 108514), (9730, 100763), (10465, 93686), (11795, 83122), (12649, 77510), (15502, 63245), (15985, 61334), (18070, 54257), (20930, 46843), (21905, 44758), (22379, 43810), (23590, 41561), (25298, 38755), (30667, 31970)]