399390264

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 240

約数和(自身を含む): 1387037520

約数和(自身を除く): 987647256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 169, 182, 189, 216, 234, 252, 273, 312, 324, 338, 351, 364, 378, 468, 504, 507, 521, 546, 567, 648, 676, 702, 728, 756, 819, 936, 1014, 1042, 1053, 1092, 1134, 1183, 1352, 1404, 1512, 1521, 1563, 1638, 2028, 2084, 2106, 2184, 2268, 2366, 2457, 2808, 3042, 3126, 3276, 3549, 3647, 4056, 4168, 4212, 4536, 4563, 4689, 4732, 4914, 6084, 6252, 6552, 6773, 7098, 7294, 7371, 8424, 9126, 9378, 9464, 9828, 10647, 10941, 12168, 12504, 13546, 13689, 14067, 14196, 14588, 14742, 18252, 18756, 19656, 20319, 21294, 21882, 27092, 27378, 28134, 28392, 29176, 29484, 31941, 32823, 36504, 37512, 40638, 42201, 42588, 43764, 47411, 54184, 54756, 56268, 58968, 60957, 63882, 65646, 81276, 84402, 85176, 87528, 88049, 94822, 95823, 98469, 109512, 112536, 121914, 127764, 131292, 142233, 162552, 168804, 176098, 182871, 189644, 191646, 196938, 243828, 255528, 262584, 264147, 284466, 295407, 337608, 352196, 365742, 379288, 383292, 393876, 426699, 487656, 528294, 548613, 568932, 590814, 616343, 704392, 731484, 766584, 787752, 792441, 853398, 1056588, 1097226, 1137864, 1181628, 1232686, 1280097, 1462968, 1584882, 1706796, 1849029, 2113176, 2194452, 2363256, 2377323, 2465372, 2560194, 3169764, 3413592, 3698058, 3840291, 4388904, 4754646, 4930744, 5120388, 5547087, 6339528, 7131969, 7396116, 7680582, 9509292, 10240776, 11094174, 14263938, 14792232, 15361164, 16641261, 19018584, 22188348, 28527876, 30722328, 33282522, 44376696, 49923783, 57055752, 66565044, 99847566, 133130088, 199695132, 399390264]

約数ペア:

[(1, 399390264), (2, 199695132), (3, 133130088), (4, 99847566), (6, 66565044), (7, 57055752), (8, 49923783), (9, 44376696), (12, 33282522), (13, 30722328), (14, 28527876), (18, 22188348), (21, 19018584), (24, 16641261), (26, 15361164), (27, 14792232), (28, 14263938), (36, 11094174), (39, 10240776), (42, 9509292), (52, 7680582), (54, 7396116), (56, 7131969), (63, 6339528), (72, 5547087), (78, 5120388), (81, 4930744), (84, 4754646), (91, 4388904), (104, 3840291), (108, 3698058), (117, 3413592), (126, 3169764), (156, 2560194), (162, 2465372), (168, 2377323), (169, 2363256), (182, 2194452), (189, 2113176), (216, 1849029), (234, 1706796), (252, 1584882), (273, 1462968), (312, 1280097), (324, 1232686), (338, 1181628), (351, 1137864), (364, 1097226), (378, 1056588), (468, 853398), (504, 792441), (507, 787752), (521, 766584), (546, 731484), (567, 704392), (648, 616343), (676, 590814), (702, 568932), (728, 548613), (756, 528294), (819, 487656), (936, 426699), (1014, 393876), (1042, 383292), (1053, 379288), (1092, 365742), (1134, 352196), (1183, 337608), (1352, 295407), (1404, 284466), (1512, 264147), (1521, 262584), (1563, 255528), (1638, 243828), (2028, 196938), (2084, 191646), (2106, 189644), (2184, 182871), (2268, 176098), (2366, 168804), (2457, 162552), (2808, 142233), (3042, 131292), (3126, 127764), (3276, 121914), (3549, 112536), (3647, 109512), (4056, 98469), (4168, 95823), (4212, 94822), (4536, 88049), (4563, 87528), (4689, 85176), (4732, 84402), (4914, 81276), (6084, 65646), (6252, 63882), (6552, 60957), (6773, 58968), (7098, 56268), (7294, 54756), (7371, 54184), (8424, 47411), (9126, 43764), (9378, 42588), (9464, 42201), (9828, 40638), (10647, 37512), (10941, 36504), (12168, 32823), (12504, 31941), (13546, 29484), (13689, 29176), (14067, 28392), (14196, 28134), (14588, 27378), (14742, 27092), (18252, 21882), (18756, 21294), (19656, 20319)]