3915590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 8396784

約数和(自身を除く): 4481194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 131, 245, 262, 305, 427, 490, 610, 655, 854, 917, 1310, 1834, 2135, 2989, 4270, 4585, 5978, 6419, 7991, 9170, 12838, 14945, 15982, 29890, 32095, 39955, 55937, 64190, 79910, 111874, 279685, 391559, 559370, 783118, 1957795, 3915590]

約数ペア:

[(1, 3915590), (2, 1957795), (5, 783118), (7, 559370), (10, 391559), (14, 279685), (35, 111874), (49, 79910), (61, 64190), (70, 55937), (98, 39955), (122, 32095), (131, 29890), (245, 15982), (262, 14945), (305, 12838), (427, 9170), (490, 7991), (610, 6419), (655, 5978), (854, 4585), (917, 4270), (1310, 2989), (1834, 2135)]