264883760

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19139}}^1$

素因数の和:19325

約数の個数: 40

約数和(自身を含む): 619446960

約数和(自身を除く): 354563200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 19139, 38278, 76556, 95695, 153112, 191390, 306224, 382780, 765560, 1531120, 3311047, 6622094, 13244188, 16555235, 26488376, 33110470, 52976752, 66220940, 132441880, 264883760]

約数ペア:

[(1, 264883760), (2, 132441880), (4, 66220940), (5, 52976752), (8, 33110470), (10, 26488376), (16, 16555235), (20, 13244188), (40, 6622094), (80, 3311047), (173, 1531120), (346, 765560), (692, 382780), (865, 306224), (1384, 191390), (1730, 153112), (2768, 95695), (3460, 76556), (6920, 38278), (13840, 19139)]