212603740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 455309568

約数和(自身を除く): 242705828

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 223, 292, 365, 446, 653, 730, 892, 1115, 1306, 1460, 2230, 2612, 3265, 4460, 6530, 13060, 16279, 32558, 47669, 65116, 81395, 95338, 145619, 162790, 190676, 238345, 291238, 325580, 476690, 582476, 728095, 953380, 1456190, 2912380, 10630187, 21260374, 42520748, 53150935, 106301870, 212603740]

約数ペア:

[(1, 212603740), (2, 106301870), (4, 53150935), (5, 42520748), (10, 21260374), (20, 10630187), (73, 2912380), (146, 1456190), (223, 953380), (292, 728095), (365, 582476), (446, 476690), (653, 325580), (730, 291238), (892, 238345), (1115, 190676), (1306, 162790), (1460, 145619), (2230, 95338), (2612, 81395), (3265, 65116), (4460, 47669), (6530, 32558), (13060, 16279)]