12402980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 27699840

約数和(自身を除く): 15296860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 457, 460, 590, 914, 1180, 1357, 1828, 2285, 2714, 4570, 5428, 6785, 9140, 10511, 13570, 21022, 26963, 27140, 42044, 52555, 53926, 105110, 107852, 134815, 210220, 269630, 539260, 620149, 1240298, 2480596, 3100745, 6201490, 12402980]

約数ペア:

[(1, 12402980), (2, 6201490), (4, 3100745), (5, 2480596), (10, 1240298), (20, 620149), (23, 539260), (46, 269630), (59, 210220), (92, 134815), (115, 107852), (118, 105110), (230, 53926), (236, 52555), (295, 42044), (457, 27140), (460, 26963), (590, 21022), (914, 13570), (1180, 10511), (1357, 9140), (1828, 6785), (2285, 5428), (2714, 4570)]