77203420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{78779}}^1$

素因数の和:78802

約数の個数: 36

約数和(自身を含む): 188599320

約数和(自身を除く): 111395900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 78779, 157558, 315116, 393895, 551453, 787790, 1102906, 1575580, 2205812, 2757265, 3860171, 5514530, 7720342, 11029060, 15440684, 19300855, 38601710, 77203420]

約数ペア:

[(1, 77203420), (2, 38601710), (4, 19300855), (5, 15440684), (7, 11029060), (10, 7720342), (14, 5514530), (20, 3860171), (28, 2757265), (35, 2205812), (49, 1575580), (70, 1102906), (98, 787790), (140, 551453), (196, 393895), (245, 315116), (490, 157558), (980, 78779)]