1213133620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{18973}}^1$

素因数の和:19144

約数の個数: 48

約数和(自身を含む): 2677610880

約数和(自身を除く): 1464477260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6394, 12788, 15985, 18973, 31970, 37946, 63940, 75892, 94865, 189730, 379460, 436379, 872758, 1745516, 2181895, 2637247, 4363790, 5274494, 8727580, 10548988, 13186235, 26372470, 52744940, 60656681, 121313362, 242626724, 303283405, 606566810, 1213133620]

約数ペア:

[(1, 1213133620), (2, 606566810), (4, 303283405), (5, 242626724), (10, 121313362), (20, 60656681), (23, 52744940), (46, 26372470), (92, 13186235), (115, 10548988), (139, 8727580), (230, 5274494), (278, 4363790), (460, 2637247), (556, 2181895), (695, 1745516), (1390, 872758), (2780, 436379), (3197, 379460), (6394, 189730), (12788, 94865), (15985, 75892), (18973, 63940), (31970, 37946)]