81763850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1500

約数の個数: 72

約数和(自身を含む): 184729248

約数和(自身を除く): 102965398

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 49, 50, 70, 98, 115, 161, 175, 230, 245, 322, 350, 490, 575, 805, 1127, 1150, 1225, 1451, 1610, 2254, 2450, 2902, 4025, 5635, 7255, 8050, 10157, 11270, 14510, 20314, 28175, 33373, 36275, 50785, 56350, 66746, 71099, 72550, 101570, 142198, 166865, 233611, 253925, 333730, 355495, 467222, 507850, 710990, 834325, 1168055, 1635277, 1668650, 1777475, 2336110, 3270554, 3554950, 5840275, 8176385, 11680550, 16352770, 40881925, 81763850]

約数ペア:

[(1, 81763850), (2, 40881925), (5, 16352770), (7, 11680550), (10, 8176385), (14, 5840275), (23, 3554950), (25, 3270554), (35, 2336110), (46, 1777475), (49, 1668650), (50, 1635277), (70, 1168055), (98, 834325), (115, 710990), (161, 507850), (175, 467222), (230, 355495), (245, 333730), (322, 253925), (350, 233611), (490, 166865), (575, 142198), (805, 101570), (1127, 72550), (1150, 71099), (1225, 66746), (1451, 56350), (1610, 50785), (2254, 36275), (2450, 33373), (2902, 28175), (4025, 20314), (5635, 14510), (7255, 11270), (8050, 10157)]