400141444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{309707}}^1$

素因数の和:309747

約数の個数: 24

約数和(自身を含む): 780464160

約数和(自身を除く): 380322716

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 309707, 619414, 1238828, 5265019, 5884433, 10530038, 11768866, 21060076, 23537732, 100035361, 200070722, 400141444]

約数ペア:

[(1, 400141444), (2, 200070722), (4, 100035361), (17, 23537732), (19, 21060076), (34, 11768866), (38, 10530038), (68, 5884433), (76, 5265019), (323, 1238828), (646, 619414), (1292, 309707)]