320149904

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 627751488

約数和(自身を除く): 307601584

約数列:

[1, 2, 4, 8, 16, 181, 227, 362, 454, 487, 724, 908, 974, 1448, 1816, 1948, 2896, 3632, 3896, 7792, 41087, 82174, 88147, 110549, 164348, 176294, 221098, 328696, 352588, 442196, 657392, 705176, 884392, 1410352, 1768784, 20009369, 40018738, 80037476, 160074952, 320149904]

約数ペア:

[(1, 320149904), (2, 160074952), (4, 80037476), (8, 40018738), (16, 20009369), (181, 1768784), (227, 1410352), (362, 884392), (454, 705176), (487, 657392), (724, 442196), (908, 352588), (974, 328696), (1448, 221098), (1816, 176294), (1948, 164348), (2896, 110549), (3632, 88147), (3896, 82174), (7792, 41087)]