64700090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 146361600

約数和(自身を除く): 81661510

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 1274, 1451, 1715, 2902, 3185, 3430, 4459, 6370, 7255, 8918, 10157, 14510, 18863, 20314, 22295, 37726, 44590, 50785, 71099, 94315, 101570, 132041, 142198, 188630, 264082, 355495, 497693, 660205, 710990, 924287, 995386, 1320410, 1848574, 2488465, 4621435, 4976930, 6470009, 9242870, 12940018, 32350045, 64700090]

約数ペア:

[(1, 64700090), (2, 32350045), (5, 12940018), (7, 9242870), (10, 6470009), (13, 4976930), (14, 4621435), (26, 2488465), (35, 1848574), (49, 1320410), (65, 995386), (70, 924287), (91, 710990), (98, 660205), (130, 497693), (182, 355495), (245, 264082), (343, 188630), (455, 142198), (490, 132041), (637, 101570), (686, 94315), (910, 71099), (1274, 50785), (1451, 44590), (1715, 37726), (2902, 22295), (3185, 20314), (3430, 18863), (4459, 14510), (6370, 10157), (7255, 8918)]