199814440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6547}}^1$

素因数の和:6674

約数の個数: 64

約数和(自身を含む): 518601600

約数和(自身を除く): 318787160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 6547, 7630, 13094, 15260, 26188, 30520, 32735, 45829, 52376, 65470, 91658, 130940, 183316, 229145, 261880, 366632, 458290, 713623, 916580, 1427246, 1833160, 2854492, 3568115, 4995361, 5708984, 7136230, 9990722, 14272460, 19981444, 24976805, 28544920, 39962888, 49953610, 99907220, 199814440]

約数ペア:

[(1, 199814440), (2, 99907220), (4, 49953610), (5, 39962888), (7, 28544920), (8, 24976805), (10, 19981444), (14, 14272460), (20, 9990722), (28, 7136230), (35, 5708984), (40, 4995361), (56, 3568115), (70, 2854492), (109, 1833160), (140, 1427246), (218, 916580), (280, 713623), (436, 458290), (545, 366632), (763, 261880), (872, 229145), (1090, 183316), (1526, 130940), (2180, 91658), (3052, 65470), (3815, 52376), (4360, 45829), (6104, 32735), (6547, 30520), (7630, 26188), (13094, 15260)]