285132.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 13335840

約数和(自身を除く): 7527700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 251, 260, 356, 445, 502, 890, 1004, 1157, 1255, 1780, 2314, 2510, 3263, 4628, 5020, 5785, 6526, 11570, 13052, 16315, 22339, 23140, 32630, 44678, 65260, 89356, 111695, 223390, 290407, 446780, 580814, 1161628, 1452035, 2904070, 5808140]

約数ペア:

[(1, 5808140), (2, 2904070), (4, 1452035), (5, 1161628), (10, 580814), (13, 446780), (20, 290407), (26, 223390), (52, 111695), (65, 89356), (89, 65260), (130, 44678), (178, 32630), (251, 23140), (260, 22339), (356, 16315), (445, 13052), (502, 11570), (890, 6526), (1004, 5785), (1157, 5020), (1255, 4628), (1780, 3263), (2314, 2510)]