861551180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{23399}}^1$

素因数の和:23678

約数の個数: 48

約数和(自身を含む): 2075673600

約数和(自身を除く): 1214122420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2630, 3682, 5260, 7364, 9205, 18410, 23399, 36820, 46798, 93596, 116995, 163793, 233990, 327586, 467980, 655172, 818965, 1637930, 3275860, 6153937, 12307874, 24615748, 30769685, 43077559, 61539370, 86155118, 123078740, 172310236, 215387795, 430775590, 861551180]

約数ペア:

[(1, 861551180), (2, 430775590), (4, 215387795), (5, 172310236), (7, 123078740), (10, 86155118), (14, 61539370), (20, 43077559), (28, 30769685), (35, 24615748), (70, 12307874), (140, 6153937), (263, 3275860), (526, 1637930), (1052, 818965), (1315, 655172), (1841, 467980), (2630, 327586), (3682, 233990), (5260, 163793), (7364, 116995), (9205, 93596), (18410, 46798), (23399, 36820)]