81182990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4013}}^1$

素因数の和:4061

約数の個数: 48

約数和(自身を含む): 177450912

約数和(自身を除く): 96267922

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 1190, 1445, 2023, 2890, 4013, 4046, 8026, 10115, 20065, 20230, 28091, 40130, 56182, 68221, 136442, 140455, 280910, 341105, 477547, 682210, 955094, 1159757, 2319514, 2387735, 4775470, 5798785, 8118299, 11597570, 16236598, 40591495, 81182990]

約数ペア:

[(1, 81182990), (2, 40591495), (5, 16236598), (7, 11597570), (10, 8118299), (14, 5798785), (17, 4775470), (34, 2387735), (35, 2319514), (70, 1159757), (85, 955094), (119, 682210), (170, 477547), (238, 341105), (289, 280910), (578, 140455), (595, 136442), (1190, 68221), (1445, 56182), (2023, 40130), (2890, 28091), (4013, 20230), (4046, 20065), (8026, 10115)]