8381450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 19846944

約数和(自身を除く): 11465494

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 311, 350, 385, 490, 539, 550, 622, 770, 1078, 1225, 1555, 1925, 2177, 2450, 2695, 3110, 3421, 3850, 4354, 5390, 6842, 7775, 10885, 13475, 15239, 15550, 17105, 21770, 23947, 26950, 30478, 34210, 47894, 54425, 76195, 85525, 108850, 119735, 152390, 167629, 171050, 239470, 335258, 380975, 598675, 761950, 838145, 1197350, 1676290, 4190725, 8381450]

約数ペア:

[(1, 8381450), (2, 4190725), (5, 1676290), (7, 1197350), (10, 838145), (11, 761950), (14, 598675), (22, 380975), (25, 335258), (35, 239470), (49, 171050), (50, 167629), (55, 152390), (70, 119735), (77, 108850), (98, 85525), (110, 76195), (154, 54425), (175, 47894), (245, 34210), (275, 30478), (311, 26950), (350, 23947), (385, 21770), (490, 17105), (539, 15550), (550, 15239), (622, 13475), (770, 10885), (1078, 7775), (1225, 6842), (1555, 5390), (1925, 4354), (2177, 3850), (2450, 3421), (2695, 3110)]