313804912040

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1423}}^1\times {\mathrm{8521}}^1$

素因数の和:10602

約数の個数: 64

約数和(自身を含む): 707732328960

約数和(自身を除く): 393927416920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1423, 2588, 2846, 3235, 5176, 5692, 6470, 7115, 8521, 11384, 12940, 14230, 17042, 25880, 28460, 34084, 42605, 56920, 68168, 85210, 170420, 340840, 920681, 1841362, 3682724, 4603405, 5513087, 7365448, 9206810, 11026174, 12125383, 18413620, 22052348, 24250766, 27565435, 36827240, 44104696, 48501532, 55130870, 60626915, 97003064, 110261740, 121253830, 220523480, 242507660, 485015320, 7845122801, 15690245602, 31380491204, 39225614005, 62760982408, 78451228010, 156902456020, 313804912040]

約数ペア:

[(1, 313804912040), (2, 156902456020), (4, 78451228010), (5, 62760982408), (8, 39225614005), (10, 31380491204), (20, 15690245602), (40, 7845122801), (647, 485015320), (1294, 242507660), (1423, 220523480), (2588, 121253830), (2846, 110261740), (3235, 97003064), (5176, 60626915), (5692, 55130870), (6470, 48501532), (7115, 44104696), (8521, 36827240), (11384, 27565435), (12940, 24250766), (14230, 22052348), (17042, 18413620), (25880, 12125383), (28460, 11026174), (34084, 9206810), (42605, 7365448), (56920, 5513087), (68168, 4603405), (85210, 3682724), (170420, 1841362), (340840, 920681)]