161273420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{104723}}^1$

素因数の和:104750

約数の個数: 48

約数和(自身を含む): 422247168

約数和(自身を除く): 260973748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 104723, 209446, 418892, 523615, 733061, 1047230, 1151953, 1466122, 2094460, 2303906, 2932244, 3665305, 4607812, 5759765, 7330610, 8063671, 11519530, 14661220, 16127342, 23039060, 32254684, 40318355, 80636710, 161273420]

約数ペア:

[(1, 161273420), (2, 80636710), (4, 40318355), (5, 32254684), (7, 23039060), (10, 16127342), (11, 14661220), (14, 11519530), (20, 8063671), (22, 7330610), (28, 5759765), (35, 4607812), (44, 3665305), (55, 2932244), (70, 2303906), (77, 2094460), (110, 1466122), (140, 1151953), (154, 1047230), (220, 733061), (308, 523615), (385, 418892), (770, 209446), (1540, 104723)]