164797780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{24023}}^1$

素因数の和:24053

約数の個数: 48

約数和(自身を含む): 403603200

約数和(自身を除く): 238805420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 24023, 48046, 96092, 120115, 168161, 240230, 336322, 480460, 672644, 840805, 1177127, 1681610, 2354254, 3363220, 4708508, 5885635, 8239889, 11771270, 16479778, 23542540, 32959556, 41199445, 82398890, 164797780]

約数ペア:

[(1, 164797780), (2, 82398890), (4, 41199445), (5, 32959556), (7, 23542540), (10, 16479778), (14, 11771270), (20, 8239889), (28, 5885635), (35, 4708508), (49, 3363220), (70, 2354254), (98, 1681610), (140, 1177127), (196, 840805), (245, 672644), (343, 480460), (490, 336322), (686, 240230), (980, 168161), (1372, 120115), (1715, 96092), (3430, 48046), (6860, 24023)]