830793640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2141}}^1$

素因数の和:2350

約数の個数: 64

約数和(自身を含む): 1908522000

約数和(自身を除く): 1077728360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 178, 218, 356, 436, 445, 545, 712, 872, 890, 1090, 1780, 2141, 2180, 3560, 4282, 4360, 8564, 9701, 10705, 17128, 19402, 21410, 38804, 42820, 48505, 77608, 85640, 97010, 190549, 194020, 233369, 381098, 388040, 466738, 762196, 933476, 952745, 1166845, 1524392, 1866952, 1905490, 2333690, 3810980, 4667380, 7621960, 9334760, 20769841, 41539682, 83079364, 103849205, 166158728, 207698410, 415396820, 830793640]

約数ペア:

[(1, 830793640), (2, 415396820), (4, 207698410), (5, 166158728), (8, 103849205), (10, 83079364), (20, 41539682), (40, 20769841), (89, 9334760), (109, 7621960), (178, 4667380), (218, 3810980), (356, 2333690), (436, 1905490), (445, 1866952), (545, 1524392), (712, 1166845), (872, 952745), (890, 933476), (1090, 762196), (1780, 466738), (2141, 388040), (2180, 381098), (3560, 233369), (4282, 194020), (4360, 190549), (8564, 97010), (9701, 85640), (10705, 77608), (17128, 48505), (19402, 42820), (21410, 38804)]