278418192

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 160

約数和(自身を含む): 823280640

約数和(自身を除く): 544862448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 37, 39, 48, 52, 62, 74, 78, 93, 104, 111, 124, 148, 156, 186, 208, 222, 248, 296, 312, 372, 389, 403, 444, 481, 496, 592, 624, 744, 778, 806, 888, 962, 1147, 1167, 1209, 1443, 1488, 1556, 1612, 1776, 1924, 2294, 2334, 2418, 2886, 3112, 3224, 3441, 3848, 4588, 4668, 4836, 5057, 5772, 6224, 6448, 6882, 7696, 9176, 9336, 9672, 10114, 11544, 12059, 13764, 14393, 14911, 15171, 18352, 18672, 19344, 20228, 23088, 24118, 27528, 28786, 29822, 30342, 36177, 40456, 43179, 44733, 48236, 55056, 57572, 59644, 60684, 72354, 80912, 86358, 89466, 96472, 115144, 119288, 121368, 144708, 156767, 172716, 178932, 187109, 192944, 230288, 238576, 242736, 289416, 313534, 345432, 357864, 374218, 446183, 470301, 561327, 578832, 627068, 690864, 715728, 748436, 892366, 940602, 1122654, 1254136, 1338549, 1496872, 1784732, 1881204, 2245308, 2508272, 2677098, 2993744, 3569464, 3762408, 4490616, 5354196, 5800379, 7138928, 7524816, 8981232, 10708392, 11600758, 17401137, 21416784, 23201516, 34802274, 46403032, 69604548, 92806064, 139209096, 278418192]

約数ペア:

[(1, 278418192), (2, 139209096), (3, 92806064), (4, 69604548), (6, 46403032), (8, 34802274), (12, 23201516), (13, 21416784), (16, 17401137), (24, 11600758), (26, 10708392), (31, 8981232), (37, 7524816), (39, 7138928), (48, 5800379), (52, 5354196), (62, 4490616), (74, 3762408), (78, 3569464), (93, 2993744), (104, 2677098), (111, 2508272), (124, 2245308), (148, 1881204), (156, 1784732), (186, 1496872), (208, 1338549), (222, 1254136), (248, 1122654), (296, 940602), (312, 892366), (372, 748436), (389, 715728), (403, 690864), (444, 627068), (481, 578832), (496, 561327), (592, 470301), (624, 446183), (744, 374218), (778, 357864), (806, 345432), (888, 313534), (962, 289416), (1147, 242736), (1167, 238576), (1209, 230288), (1443, 192944), (1488, 187109), (1556, 178932), (1612, 172716), (1776, 156767), (1924, 144708), (2294, 121368), (2334, 119288), (2418, 115144), (2886, 96472), (3112, 89466), (3224, 86358), (3441, 80912), (3848, 72354), (4588, 60684), (4668, 59644), (4836, 57572), (5057, 55056), (5772, 48236), (6224, 44733), (6448, 43179), (6882, 40456), (7696, 36177), (9176, 30342), (9336, 29822), (9672, 28786), (10114, 27528), (11544, 24118), (12059, 23088), (13764, 20228), (14393, 19344), (14911, 18672), (15171, 18352)]