672310340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19739}}^1$

素因数の和:19892

約数の個数: 48

約数和(自身を含む): 1532139840

約数和(自身を除く): 859829500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 19739, 34060, 39478, 78956, 98695, 197390, 256607, 394780, 513214, 1026428, 1283035, 2566070, 2585809, 5132140, 5171618, 10343236, 12929045, 25858090, 33615517, 51716180, 67231034, 134462068, 168077585, 336155170, 672310340]

約数ペア:

[(1, 672310340), (2, 336155170), (4, 168077585), (5, 134462068), (10, 67231034), (13, 51716180), (20, 33615517), (26, 25858090), (52, 12929045), (65, 10343236), (130, 5171618), (131, 5132140), (260, 2585809), (262, 2566070), (524, 1283035), (655, 1026428), (1310, 513214), (1703, 394780), (2620, 256607), (3406, 197390), (6812, 98695), (8515, 78956), (17030, 39478), (19739, 34060)]