81252290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2199

約数の個数: 48

約数和(自身を含む): 172368000

約数和(自身を除く): 91115710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 553, 790, 1106, 2099, 2765, 3871, 4198, 5530, 7742, 10495, 14693, 19355, 20990, 29386, 38710, 73465, 102851, 146930, 165821, 205702, 331642, 514255, 829105, 1028510, 1160747, 1658210, 2321494, 5803735, 8125229, 11607470, 16250458, 40626145, 81252290]

約数ペア:

[(1, 81252290), (2, 40626145), (5, 16250458), (7, 11607470), (10, 8125229), (14, 5803735), (35, 2321494), (49, 1658210), (70, 1160747), (79, 1028510), (98, 829105), (158, 514255), (245, 331642), (395, 205702), (490, 165821), (553, 146930), (790, 102851), (1106, 73465), (2099, 38710), (2765, 29386), (3871, 20990), (4198, 19355), (5530, 14693), (7742, 10495)]