3031340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 6985440

約数和(自身を除く): 3954100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 131, 178, 260, 262, 356, 445, 524, 655, 890, 1157, 1310, 1703, 1780, 2314, 2620, 3406, 4628, 5785, 6812, 8515, 11570, 11659, 17030, 23140, 23318, 34060, 46636, 58295, 116590, 151567, 233180, 303134, 606268, 757835, 1515670, 3031340]

約数ペア:

[(1, 3031340), (2, 1515670), (4, 757835), (5, 606268), (10, 303134), (13, 233180), (20, 151567), (26, 116590), (52, 58295), (65, 46636), (89, 34060), (130, 23318), (131, 23140), (178, 17030), (260, 11659), (262, 11570), (356, 8515), (445, 6812), (524, 5785), (655, 4628), (890, 3406), (1157, 2620), (1310, 2314), (1703, 1780)]