140190778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 276756480

約数和(自身を除く): 136565702

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 71, 91, 133, 142, 182, 247, 266, 494, 497, 571, 923, 994, 1142, 1349, 1729, 1846, 2698, 3458, 3997, 6461, 7423, 7994, 9443, 10849, 12922, 14846, 17537, 18886, 21698, 35074, 40541, 51961, 75943, 81082, 103922, 122759, 141037, 151886, 245518, 282074, 283787, 527033, 567574, 770279, 987259, 1054066, 1540558, 1974518, 3689231, 5391953, 7378462, 10013627, 10783906, 20027254, 70095389, 140190778]

約数ペア:

[(1, 140190778), (2, 70095389), (7, 20027254), (13, 10783906), (14, 10013627), (19, 7378462), (26, 5391953), (38, 3689231), (71, 1974518), (91, 1540558), (133, 1054066), (142, 987259), (182, 770279), (247, 567574), (266, 527033), (494, 283787), (497, 282074), (571, 245518), (923, 151886), (994, 141037), (1142, 122759), (1349, 103922), (1729, 81082), (1846, 75943), (2698, 51961), (3458, 40541), (3997, 35074), (6461, 21698), (7423, 18886), (7994, 17537), (9443, 14846), (10849, 12922)]