77744240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138829}}^1$

素因数の和:138849

約数の個数: 40

約数和(自身を含む): 206579040

約数和(自身を除く): 128834800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138829, 277658, 555316, 694145, 971803, 1110632, 1388290, 1943606, 2221264, 2776580, 3887212, 4859015, 5553160, 7774424, 9718030, 11106320, 15548848, 19436060, 38872120, 77744240]

約数ペア:

[(1, 77744240), (2, 38872120), (4, 19436060), (5, 15548848), (7, 11106320), (8, 9718030), (10, 7774424), (14, 5553160), (16, 4859015), (20, 3887212), (28, 2776580), (35, 2221264), (40, 1943606), (56, 1388290), (70, 1110632), (80, 971803), (112, 694145), (140, 555316), (280, 277658), (560, 138829)]