218392270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{26731}}^1$

素因数の和:26800

約数の個数: 32

約数和(自身を含む): 423434880

約数和(自身を除く): 205042610

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 26731, 53462, 133655, 267310, 507889, 1015778, 1149433, 2298866, 2539445, 5078890, 5747165, 11494330, 21839227, 43678454, 109196135, 218392270]

約数ペア:

[(1, 218392270), (2, 109196135), (5, 43678454), (10, 21839227), (19, 11494330), (38, 5747165), (43, 5078890), (86, 2539445), (95, 2298866), (190, 1149433), (215, 1015778), (430, 507889), (817, 267310), (1634, 133655), (4085, 53462), (8170, 26731)]