198380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 517440

約数和(自身を除く): 319060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 109, 130, 140, 182, 218, 260, 364, 436, 455, 545, 763, 910, 1090, 1417, 1526, 1820, 2180, 2834, 3052, 3815, 5668, 7085, 7630, 9919, 14170, 15260, 19838, 28340, 39676, 49595, 99190, 198380]

約数ペア:

[(1, 198380), (2, 99190), (4, 49595), (5, 39676), (7, 28340), (10, 19838), (13, 15260), (14, 14170), (20, 9919), (26, 7630), (28, 7085), (35, 5668), (52, 3815), (65, 3052), (70, 2834), (91, 2180), (109, 1820), (130, 1526), (140, 1417), (182, 1090), (218, 910), (260, 763), (364, 545), (436, 455)]