389610620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{35227}}^1$

素因数の和:35322

約数の個数: 48

約数和(自身を含む): 946928640

約数和(自身を除く): 557318020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 35227, 70454, 140908, 176135, 246589, 352270, 493178, 704540, 986356, 1232945, 2465890, 2782933, 4931780, 5565866, 11131732, 13914665, 19480531, 27829330, 38961062, 55658660, 77922124, 97402655, 194805310, 389610620]

約数ペア:

[(1, 389610620), (2, 194805310), (4, 97402655), (5, 77922124), (7, 55658660), (10, 38961062), (14, 27829330), (20, 19480531), (28, 13914665), (35, 11131732), (70, 5565866), (79, 4931780), (140, 2782933), (158, 2465890), (316, 1232945), (395, 986356), (553, 704540), (790, 493178), (1106, 352270), (1580, 246589), (2212, 176135), (2765, 140908), (5530, 70454), (11060, 35227)]