278530812

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1117

約数の個数: 120

約数和(自身を含む): 839573504

約数和(自身を除く): 561042692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 127, 162, 189, 252, 254, 324, 378, 381, 508, 567, 756, 762, 889, 967, 1134, 1143, 1524, 1778, 1934, 2268, 2286, 2667, 2901, 3429, 3556, 3868, 4572, 5334, 5802, 6769, 6858, 8001, 8703, 10287, 10668, 11604, 13538, 13716, 16002, 17406, 20307, 20574, 24003, 26109, 27076, 32004, 34812, 40614, 41148, 48006, 52218, 60921, 72009, 78327, 81228, 96012, 104436, 121842, 122809, 144018, 156654, 182763, 243684, 245618, 288036, 313308, 365526, 368427, 491236, 548289, 731052, 736854, 859663, 1096578, 1105281, 1473708, 1719326, 2193156, 2210562, 2578989, 3315843, 3438652, 4421124, 5157978, 6631686, 7736967, 9947529, 10315956, 13263372, 15473934, 19895058, 23210901, 30947868, 39790116, 46421802, 69632703, 92843604, 139265406, 278530812]

約数ペア:

[(1, 278530812), (2, 139265406), (3, 92843604), (4, 69632703), (6, 46421802), (7, 39790116), (9, 30947868), (12, 23210901), (14, 19895058), (18, 15473934), (21, 13263372), (27, 10315956), (28, 9947529), (36, 7736967), (42, 6631686), (54, 5157978), (63, 4421124), (81, 3438652), (84, 3315843), (108, 2578989), (126, 2210562), (127, 2193156), (162, 1719326), (189, 1473708), (252, 1105281), (254, 1096578), (324, 859663), (378, 736854), (381, 731052), (508, 548289), (567, 491236), (756, 368427), (762, 365526), (889, 313308), (967, 288036), (1134, 245618), (1143, 243684), (1524, 182763), (1778, 156654), (1934, 144018), (2268, 122809), (2286, 121842), (2667, 104436), (2901, 96012), (3429, 81228), (3556, 78327), (3868, 72009), (4572, 60921), (5334, 52218), (5802, 48006), (6769, 41148), (6858, 40614), (8001, 34812), (8703, 32004), (10287, 27076), (10668, 26109), (11604, 24003), (13538, 20574), (13716, 20307), (16002, 17406)]