78344980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29453}}^1$

素因数の和:29488

約数の個数: 48

約数和(自身を含む): 197930880

約数和(自身を除く): 119585900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 29453, 58906, 117812, 147265, 206171, 294530, 412342, 559607, 589060, 824684, 1030855, 1119214, 2061710, 2238428, 2798035, 3917249, 4123420, 5596070, 7834498, 11192140, 15668996, 19586245, 39172490, 78344980]

約数ペア:

[(1, 78344980), (2, 39172490), (4, 19586245), (5, 15668996), (7, 11192140), (10, 7834498), (14, 5596070), (19, 4123420), (20, 3917249), (28, 2798035), (35, 2238428), (38, 2061710), (70, 1119214), (76, 1030855), (95, 824684), (133, 589060), (140, 559607), (190, 412342), (266, 294530), (380, 206171), (532, 147265), (665, 117812), (1330, 58906), (2660, 29453)]