172102980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409769}}^1$

素因数の和:409788

約数の個数: 48

約数和(自身を含む): 550730880

約数和(自身を除く): 378627900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 409769, 819538, 1229307, 1639076, 2048845, 2458614, 2868383, 4097690, 4917228, 5736766, 6146535, 8195380, 8605149, 11473532, 12293070, 14341915, 17210298, 24586140, 28683830, 34420596, 43025745, 57367660, 86051490, 172102980]

約数ペア:

[(1, 172102980), (2, 86051490), (3, 57367660), (4, 43025745), (5, 34420596), (6, 28683830), (7, 24586140), (10, 17210298), (12, 14341915), (14, 12293070), (15, 11473532), (20, 8605149), (21, 8195380), (28, 6146535), (30, 5736766), (35, 4917228), (42, 4097690), (60, 2868383), (70, 2458614), (84, 2048845), (105, 1639076), (140, 1229307), (210, 819538), (420, 409769)]