49743820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 122611104

約数和(自身を除く): 72867284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 193, 196, 245, 263, 386, 490, 526, 772, 965, 980, 1052, 1315, 1351, 1841, 1930, 2630, 2702, 3682, 3860, 5260, 5404, 6755, 7364, 9205, 9457, 12887, 13510, 18410, 18914, 25774, 27020, 36820, 37828, 47285, 50759, 51548, 64435, 94570, 101518, 128870, 189140, 203036, 253795, 257740, 355313, 507590, 710626, 1015180, 1421252, 1776565, 2487191, 3553130, 4974382, 7106260, 9948764, 12435955, 24871910, 49743820]

約数ペア:

[(1, 49743820), (2, 24871910), (4, 12435955), (5, 9948764), (7, 7106260), (10, 4974382), (14, 3553130), (20, 2487191), (28, 1776565), (35, 1421252), (49, 1015180), (70, 710626), (98, 507590), (140, 355313), (193, 257740), (196, 253795), (245, 203036), (263, 189140), (386, 128870), (490, 101518), (526, 94570), (772, 64435), (965, 51548), (980, 50759), (1052, 47285), (1315, 37828), (1351, 36820), (1841, 27020), (1930, 25774), (2630, 18914), (2702, 18410), (3682, 13510), (3860, 12887), (5260, 9457), (5404, 9205), (6755, 7364)]