8744723780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1770187}}^1$

素因数の和:1770228

約数の個数: 48

約数和(自身を含む): 20817410880

約数和(自身を除く): 12072687100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 1770187, 3540374, 7080748, 8850935, 17701870, 23012431, 33633553, 35403740, 46024862, 67267106, 92049724, 115062155, 134534212, 168167765, 230124310, 336335530, 437236189, 460248620, 672671060, 874472378, 1748944756, 2186180945, 4372361890, 8744723780]

約数ペア:

[(1, 8744723780), (2, 4372361890), (4, 2186180945), (5, 1748944756), (10, 874472378), (13, 672671060), (19, 460248620), (20, 437236189), (26, 336335530), (38, 230124310), (52, 168167765), (65, 134534212), (76, 115062155), (95, 92049724), (130, 67267106), (190, 46024862), (247, 35403740), (260, 33633553), (380, 23012431), (494, 17701870), (988, 8850935), (1235, 7080748), (2470, 3540374), (4940, 1770187)]