398037780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 240

約数和(自身を含む): 1449349440

約数和(自身を除く): 1051311660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 307, 315, 343, 378, 420, 441, 490, 540, 588, 614, 630, 686, 735, 756, 882, 921, 945, 980, 1029, 1228, 1260, 1323, 1372, 1470, 1535, 1715, 1764, 1842, 1890, 2058, 2149, 2205, 2401, 2646, 2763, 2940, 3070, 3087, 3430, 3684, 3780, 4116, 4298, 4410, 4605, 4802, 5145, 5292, 5526, 6140, 6174, 6447, 6615, 6860, 7203, 8289, 8596, 8820, 9210, 9261, 9604, 10290, 10745, 11052, 12005, 12348, 12894, 13230, 13815, 14406, 15043, 15435, 16578, 18420, 18522, 19341, 20580, 21490, 21609, 24010, 25788, 26460, 27630, 28812, 30086, 30870, 32235, 33156, 36015, 37044, 38682, 41445, 42980, 43218, 45129, 46305, 48020, 55260, 58023, 60172, 61740, 64470, 64827, 72030, 75215, 77364, 82890, 86436, 90258, 92610, 96705, 105301, 108045, 116046, 128940, 129654, 135387, 144060, 150430, 165780, 180516, 185220, 193410, 210602, 216090, 225645, 232092, 259308, 270774, 290115, 300860, 315903, 324135, 386820, 406161, 421204, 432180, 451290, 526505, 541548, 580230, 631806, 648270, 676935, 737107, 812322, 902580, 947709, 1053010, 1160460, 1263612, 1296540, 1353870, 1474214, 1579515, 1624644, 1895418, 2030805, 2106020, 2211321, 2707740, 2843127, 2948428, 3159030, 3685535, 3790836, 4061610, 4422642, 4738545, 5686254, 6318060, 6633963, 7371070, 8123220, 8845284, 9477090, 11056605, 11372508, 13267926, 14215635, 14742140, 18954180, 19901889, 22113210, 26535852, 28431270, 33169815, 39803778, 44226420, 56862540, 66339630, 79607556, 99509445, 132679260, 199018890, 398037780]

約数ペア:

[(1, 398037780), (2, 199018890), (3, 132679260), (4, 99509445), (5, 79607556), (6, 66339630), (7, 56862540), (9, 44226420), (10, 39803778), (12, 33169815), (14, 28431270), (15, 26535852), (18, 22113210), (20, 19901889), (21, 18954180), (27, 14742140), (28, 14215635), (30, 13267926), (35, 11372508), (36, 11056605), (42, 9477090), (45, 8845284), (49, 8123220), (54, 7371070), (60, 6633963), (63, 6318060), (70, 5686254), (84, 4738545), (90, 4422642), (98, 4061610), (105, 3790836), (108, 3685535), (126, 3159030), (135, 2948428), (140, 2843127), (147, 2707740), (180, 2211321), (189, 2106020), (196, 2030805), (210, 1895418), (245, 1624644), (252, 1579515), (270, 1474214), (294, 1353870), (307, 1296540), (315, 1263612), (343, 1160460), (378, 1053010), (420, 947709), (441, 902580), (490, 812322), (540, 737107), (588, 676935), (614, 648270), (630, 631806), (686, 580230), (735, 541548), (756, 526505), (882, 451290), (921, 432180), (945, 421204), (980, 406161), (1029, 386820), (1228, 324135), (1260, 315903), (1323, 300860), (1372, 290115), (1470, 270774), (1535, 259308), (1715, 232092), (1764, 225645), (1842, 216090), (1890, 210602), (2058, 193410), (2149, 185220), (2205, 180516), (2401, 165780), (2646, 150430), (2763, 144060), (2940, 135387), (3070, 129654), (3087, 128940), (3430, 116046), (3684, 108045), (3780, 105301), (4116, 96705), (4298, 92610), (4410, 90258), (4605, 86436), (4802, 82890), (5145, 77364), (5292, 75215), (5526, 72030), (6140, 64827), (6174, 64470), (6447, 61740), (6615, 60172), (6860, 58023), (7203, 55260), (8289, 48020), (8596, 46305), (8820, 45129), (9210, 43218), (9261, 42980), (9604, 41445), (10290, 38682), (10745, 37044), (11052, 36015), (12005, 33156), (12348, 32235), (12894, 30870), (13230, 30086), (13815, 28812), (14406, 27630), (15043, 26460), (15435, 25788), (16578, 24010), (18420, 21609), (18522, 21490), (19341, 20580)]