247178484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 746928000

約数和(自身を除く): 499749516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 149, 174, 203, 227, 252, 261, 298, 348, 406, 447, 454, 522, 596, 609, 681, 812, 894, 908, 1043, 1044, 1218, 1341, 1362, 1589, 1788, 1827, 2043, 2086, 2436, 2682, 2724, 3129, 3178, 3654, 4086, 4172, 4321, 4767, 5364, 6258, 6356, 6583, 7308, 8172, 8642, 9387, 9534, 12516, 12963, 13166, 14301, 17284, 18774, 19068, 19749, 25926, 26332, 28602, 30247, 33823, 37548, 38889, 39498, 46081, 51852, 57204, 59247, 60494, 67646, 77778, 78996, 90741, 92162, 101469, 118494, 120988, 135292, 138243, 155556, 181482, 184324, 202938, 236761, 236988, 272223, 276486, 304407, 362964, 405876, 414729, 473522, 544446, 552972, 608814, 710283, 829458, 947044, 980867, 1088892, 1217628, 1420566, 1658916, 1961734, 2130849, 2841132, 2942601, 3923468, 4261698, 5885202, 6866069, 8523396, 8827803, 11770404, 13732138, 17655606, 20598207, 27464276, 35311212, 41196414, 61794621, 82392828, 123589242, 247178484]

約数ペア:

[(1, 247178484), (2, 123589242), (3, 82392828), (4, 61794621), (6, 41196414), (7, 35311212), (9, 27464276), (12, 20598207), (14, 17655606), (18, 13732138), (21, 11770404), (28, 8827803), (29, 8523396), (36, 6866069), (42, 5885202), (58, 4261698), (63, 3923468), (84, 2942601), (87, 2841132), (116, 2130849), (126, 1961734), (149, 1658916), (174, 1420566), (203, 1217628), (227, 1088892), (252, 980867), (261, 947044), (298, 829458), (348, 710283), (406, 608814), (447, 552972), (454, 544446), (522, 473522), (596, 414729), (609, 405876), (681, 362964), (812, 304407), (894, 276486), (908, 272223), (1043, 236988), (1044, 236761), (1218, 202938), (1341, 184324), (1362, 181482), (1589, 155556), (1788, 138243), (1827, 135292), (2043, 120988), (2086, 118494), (2436, 101469), (2682, 92162), (2724, 90741), (3129, 78996), (3178, 77778), (3654, 67646), (4086, 60494), (4172, 59247), (4321, 57204), (4767, 51852), (5364, 46081), (6258, 39498), (6356, 38889), (6583, 37548), (7308, 33823), (8172, 30247), (8642, 28602), (9387, 26332), (9534, 25926), (12516, 19749), (12963, 19068), (13166, 18774), (14301, 17284)]