280109742

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 648345600

約数和(自身を除く): 368235858

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 139, 209, 278, 417, 418, 627, 834, 1254, 1529, 1607, 2641, 3058, 3214, 4587, 4821, 5282, 7923, 9174, 9642, 15846, 17677, 29051, 30533, 35354, 53031, 58102, 61066, 87153, 91599, 106062, 174306, 183198, 223373, 335863, 446746, 670119, 671726, 1007589, 1340238, 2015178, 2457103, 4244087, 4914206, 7371309, 8488174, 12732261, 14742618, 25464522, 46684957, 93369914, 140054871, 280109742]

約数ペア:

[(1, 280109742), (2, 140054871), (3, 93369914), (6, 46684957), (11, 25464522), (19, 14742618), (22, 12732261), (33, 8488174), (38, 7371309), (57, 4914206), (66, 4244087), (114, 2457103), (139, 2015178), (209, 1340238), (278, 1007589), (417, 671726), (418, 670119), (627, 446746), (834, 335863), (1254, 223373), (1529, 183198), (1607, 174306), (2641, 106062), (3058, 91599), (3214, 87153), (4587, 61066), (4821, 58102), (5282, 53031), (7923, 35354), (9174, 30533), (9642, 29051), (15846, 17677)]