30076820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 65856000

約数和(自身を除く): 35779180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 349, 556, 620, 695, 698, 1390, 1396, 1745, 2780, 3490, 4309, 6980, 8618, 10819, 17236, 21545, 21638, 43090, 43276, 48511, 54095, 86180, 97022, 108190, 194044, 216380, 242555, 485110, 970220, 1503841, 3007682, 6015364, 7519205, 15038410, 30076820]

約数ペア:

[(1, 30076820), (2, 15038410), (4, 7519205), (5, 6015364), (10, 3007682), (20, 1503841), (31, 970220), (62, 485110), (124, 242555), (139, 216380), (155, 194044), (278, 108190), (310, 97022), (349, 86180), (556, 54095), (620, 48511), (695, 43276), (698, 43090), (1390, 21638), (1396, 21545), (1745, 17236), (2780, 10819), (3490, 8618), (4309, 6980)]