243245380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4127}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 585317376

約数和(自身を除く): 342071996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4127, 4210, 5894, 8254, 8420, 11788, 14735, 16508, 20635, 28889, 29470, 41270, 57778, 58940, 82540, 115556, 144445, 288890, 577780, 1737467, 3474934, 6949868, 8687335, 12162269, 17374670, 24324538, 34749340, 48649076, 60811345, 121622690, 243245380]

約数ペア:

[(1, 243245380), (2, 121622690), (4, 60811345), (5, 48649076), (7, 34749340), (10, 24324538), (14, 17374670), (20, 12162269), (28, 8687335), (35, 6949868), (70, 3474934), (140, 1737467), (421, 577780), (842, 288890), (1684, 144445), (2105, 115556), (2947, 82540), (4127, 58940), (4210, 57778), (5894, 41270), (8254, 29470), (8420, 28889), (11788, 20635), (14735, 16508)]