306890905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 392140800

約数和(自身を除く): 85249895

約数列:

[1, 5, 29, 73, 79, 145, 365, 367, 395, 1835, 2117, 2291, 5767, 10585, 10643, 11455, 26791, 28835, 28993, 53215, 133955, 144965, 167243, 776939, 836215, 840797, 2116489, 3884695, 4203985, 10582445, 61378181, 306890905]

約数ペア:

[(1, 306890905), (5, 61378181), (29, 10582445), (73, 4203985), (79, 3884695), (145, 2116489), (365, 840797), (367, 836215), (395, 776939), (1835, 167243), (2117, 144965), (2291, 133955), (5767, 53215), (10585, 28993), (10643, 28835), (11455, 26791)]