394156970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{4139}}^1$

素因数の和:4342

約数の個数: 32

約数和(自身を含む): 724334400

約数和(自身を除く): 330177430

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 445, 535, 890, 1070, 4139, 8278, 9523, 19046, 20695, 41390, 47615, 95230, 368371, 442873, 736742, 885746, 1841855, 2214365, 3683710, 4428730, 39415697, 78831394, 197078485, 394156970]

約数ペア:

[(1, 394156970), (2, 197078485), (5, 78831394), (10, 39415697), (89, 4428730), (107, 3683710), (178, 2214365), (214, 1841855), (445, 885746), (535, 736742), (890, 442873), (1070, 368371), (4139, 95230), (8278, 47615), (9523, 41390), (19046, 20695)]