65404220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66739}}^1$

素因数の和:66762

約数の個数: 36

約数和(自身を含む): 159775560

約数和(自身を除く): 94371340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66739, 133478, 266956, 333695, 467173, 667390, 934346, 1334780, 1868692, 2335865, 3270211, 4671730, 6540422, 9343460, 13080844, 16351055, 32702110, 65404220]

約数ペア:

[(1, 65404220), (2, 32702110), (4, 16351055), (5, 13080844), (7, 9343460), (10, 6540422), (14, 4671730), (20, 3270211), (28, 2335865), (35, 1868692), (49, 1334780), (70, 934346), (98, 667390), (140, 467173), (196, 333695), (245, 266956), (490, 133478), (980, 66739)]