7856030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 17781120

約数和(自身を除く): 9925090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 97, 130, 178, 182, 194, 445, 455, 485, 623, 679, 890, 910, 970, 1157, 1246, 1261, 1358, 2314, 2522, 3115, 3395, 5785, 6230, 6305, 6790, 8099, 8633, 8827, 11570, 12610, 16198, 17266, 17654, 40495, 43165, 44135, 60431, 80990, 86330, 88270, 112229, 120862, 224458, 302155, 561145, 604310, 785603, 1122290, 1571206, 3928015, 7856030]

約数ペア:

[(1, 7856030), (2, 3928015), (5, 1571206), (7, 1122290), (10, 785603), (13, 604310), (14, 561145), (26, 302155), (35, 224458), (65, 120862), (70, 112229), (89, 88270), (91, 86330), (97, 80990), (130, 60431), (178, 44135), (182, 43165), (194, 40495), (445, 17654), (455, 17266), (485, 16198), (623, 12610), (679, 11570), (890, 8827), (910, 8633), (970, 8099), (1157, 6790), (1246, 6305), (1261, 6230), (1358, 5785), (2314, 3395), (2522, 3115)]