7715140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 17337600

約数和(自身を除く): 9622460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 257, 316, 380, 395, 514, 790, 1028, 1285, 1501, 1580, 2570, 3002, 4883, 5140, 6004, 7505, 9766, 15010, 19532, 20303, 24415, 30020, 40606, 48830, 81212, 97660, 101515, 203030, 385757, 406060, 771514, 1543028, 1928785, 3857570, 7715140]

約数ペア:

[(1, 7715140), (2, 3857570), (4, 1928785), (5, 1543028), (10, 771514), (19, 406060), (20, 385757), (38, 203030), (76, 101515), (79, 97660), (95, 81212), (158, 48830), (190, 40606), (257, 30020), (316, 24415), (380, 20303), (395, 19532), (514, 15010), (790, 9766), (1028, 7505), (1285, 6004), (1501, 5140), (1580, 4883), (2570, 3002)]