209999096

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 442260000

約数和(自身を除く): 232260904

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 181, 323, 362, 449, 646, 724, 898, 1292, 1448, 1796, 2584, 3077, 3439, 3592, 6154, 6878, 7633, 8531, 12308, 13756, 15266, 17062, 24616, 27512, 30532, 34124, 58463, 61064, 68248, 81269, 116926, 145027, 162538, 233852, 290054, 325076, 467704, 580108, 650152, 1160216, 1381573, 1544111, 2763146, 3088222, 5526292, 6176444, 11052584, 12352888, 26249887, 52499774, 104999548, 209999096]

約数ペア:

[(1, 209999096), (2, 104999548), (4, 52499774), (8, 26249887), (17, 12352888), (19, 11052584), (34, 6176444), (38, 5526292), (68, 3088222), (76, 2763146), (136, 1544111), (152, 1381573), (181, 1160216), (323, 650152), (362, 580108), (449, 467704), (646, 325076), (724, 290054), (898, 233852), (1292, 162538), (1448, 145027), (1796, 116926), (2584, 81269), (3077, 68248), (3439, 61064), (3592, 58463), (6154, 34124), (6878, 30532), (7633, 27512), (8531, 24616), (12308, 17062), (13756, 15266)]