12913700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 29867880

約数和(自身を除く): 16954180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 61, 73, 100, 116, 122, 145, 146, 244, 290, 292, 305, 365, 580, 610, 725, 730, 1220, 1450, 1460, 1525, 1769, 1825, 2117, 2900, 3050, 3538, 3650, 4234, 4453, 6100, 7076, 7300, 8468, 8845, 8906, 10585, 17690, 17812, 21170, 22265, 35380, 42340, 44225, 44530, 52925, 88450, 89060, 105850, 111325, 129137, 176900, 211700, 222650, 258274, 445300, 516548, 645685, 1291370, 2582740, 3228425, 6456850, 12913700]

約数ペア:

[(1, 12913700), (2, 6456850), (4, 3228425), (5, 2582740), (10, 1291370), (20, 645685), (25, 516548), (29, 445300), (50, 258274), (58, 222650), (61, 211700), (73, 176900), (100, 129137), (116, 111325), (122, 105850), (145, 89060), (146, 88450), (244, 52925), (290, 44530), (292, 44225), (305, 42340), (365, 35380), (580, 22265), (610, 21170), (725, 17812), (730, 17690), (1220, 10585), (1450, 8906), (1460, 8845), (1525, 8468), (1769, 7300), (1825, 7076), (2117, 6100), (2900, 4453), (3050, 4234), (3538, 3650)]