179968670

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 383616000

約数和(自身を除く): 203647330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 343, 355, 490, 497, 686, 710, 739, 994, 1478, 1715, 2485, 3430, 3479, 3695, 4970, 5173, 6958, 7390, 10346, 17395, 24353, 25865, 34790, 36211, 48706, 51730, 52469, 72422, 104938, 121765, 181055, 243530, 253477, 262345, 362110, 367283, 506954, 524690, 734566, 1267385, 1836415, 2534770, 2570981, 3672830, 5141962, 12854905, 17996867, 25709810, 35993734, 89984335, 179968670]

約数ペア:

[(1, 179968670), (2, 89984335), (5, 35993734), (7, 25709810), (10, 17996867), (14, 12854905), (35, 5141962), (49, 3672830), (70, 2570981), (71, 2534770), (98, 1836415), (142, 1267385), (245, 734566), (343, 524690), (355, 506954), (490, 367283), (497, 362110), (686, 262345), (710, 253477), (739, 243530), (994, 181055), (1478, 121765), (1715, 104938), (2485, 72422), (3430, 52469), (3479, 51730), (3695, 48706), (4970, 36211), (5173, 34790), (6958, 25865), (7390, 24353), (10346, 17395)]