29908760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 77414400

約数和(自身を除く): 47505640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 479, 892, 958, 1115, 1561, 1784, 1916, 2230, 2395, 3122, 3353, 3832, 4460, 4790, 6244, 6706, 7805, 8920, 9580, 12488, 13412, 15610, 16765, 19160, 26824, 31220, 33530, 62440, 67060, 106817, 134120, 213634, 427268, 534085, 747719, 854536, 1068170, 1495438, 2136340, 2990876, 3738595, 4272680, 5981752, 7477190, 14954380, 29908760]

約数ペア:

[(1, 29908760), (2, 14954380), (4, 7477190), (5, 5981752), (7, 4272680), (8, 3738595), (10, 2990876), (14, 2136340), (20, 1495438), (28, 1068170), (35, 854536), (40, 747719), (56, 534085), (70, 427268), (140, 213634), (223, 134120), (280, 106817), (446, 67060), (479, 62440), (892, 33530), (958, 31220), (1115, 26824), (1561, 19160), (1784, 16765), (1916, 15610), (2230, 13412), (2395, 12488), (3122, 9580), (3353, 8920), (3832, 7805), (4460, 6706), (4790, 6244)]