2980670

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 6912000

約数和(自身を除く): 3931330

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 79, 98, 110, 154, 158, 245, 343, 385, 395, 490, 539, 553, 686, 770, 790, 869, 1078, 1106, 1715, 1738, 2695, 2765, 3430, 3773, 3871, 4345, 5390, 5530, 6083, 7546, 7742, 8690, 12166, 18865, 19355, 27097, 30415, 37730, 38710, 42581, 54194, 60830, 85162, 135485, 212905, 270970, 298067, 425810, 596134, 1490335, 2980670]

約数ペア:

[(1, 2980670), (2, 1490335), (5, 596134), (7, 425810), (10, 298067), (11, 270970), (14, 212905), (22, 135485), (35, 85162), (49, 60830), (55, 54194), (70, 42581), (77, 38710), (79, 37730), (98, 30415), (110, 27097), (154, 19355), (158, 18865), (245, 12166), (343, 8690), (385, 7742), (395, 7546), (490, 6083), (539, 5530), (553, 5390), (686, 4345), (770, 3871), (790, 3773), (869, 3430), (1078, 2765), (1106, 2695), (1715, 1738)]