12901973420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13165279}}^1$

素因数の和:13165302

約数の個数: 36

約数和(自身を含む): 31517680320

約数和(自身を除く): 18615706900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13165279, 26330558, 52661116, 65826395, 92156953, 131652790, 184313906, 263305580, 368627812, 460784765, 645098671, 921569530, 1290197342, 1843139060, 2580394684, 3225493355, 6450986710, 12901973420]

約数ペア:

[(1, 12901973420), (2, 6450986710), (4, 3225493355), (5, 2580394684), (7, 1843139060), (10, 1290197342), (14, 921569530), (20, 645098671), (28, 460784765), (35, 368627812), (49, 263305580), (70, 184313906), (98, 131652790), (140, 92156953), (196, 65826395), (245, 52661116), (490, 26330558), (980, 13165279)]