55147820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 144187008

約数和(自身を除く): 89039188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 157, 182, 193, 260, 314, 364, 386, 455, 628, 772, 785, 910, 965, 1099, 1351, 1570, 1820, 1930, 2041, 2198, 2509, 2702, 3140, 3860, 4082, 4396, 5018, 5404, 5495, 6755, 8164, 10036, 10205, 10990, 12545, 13510, 14287, 17563, 20410, 21980, 25090, 27020, 28574, 30301, 35126, 40820, 50180, 57148, 60602, 70252, 71435, 87815, 121204, 142870, 151505, 175630, 212107, 285740, 303010, 351260, 393913, 424214, 606020, 787826, 848428, 1060535, 1575652, 1969565, 2121070, 2757391, 3939130, 4242140, 5514782, 7878260, 11029564, 13786955, 27573910, 55147820]

約数ペア:

[(1, 55147820), (2, 27573910), (4, 13786955), (5, 11029564), (7, 7878260), (10, 5514782), (13, 4242140), (14, 3939130), (20, 2757391), (26, 2121070), (28, 1969565), (35, 1575652), (52, 1060535), (65, 848428), (70, 787826), (91, 606020), (130, 424214), (140, 393913), (157, 351260), (182, 303010), (193, 285740), (260, 212107), (314, 175630), (364, 151505), (386, 142870), (455, 121204), (628, 87815), (772, 71435), (785, 70252), (910, 60602), (965, 57148), (1099, 50180), (1351, 40820), (1570, 35126), (1820, 30301), (1930, 28574), (2041, 27020), (2198, 25090), (2509, 21980), (2702, 20410), (3140, 17563), (3860, 14287), (4082, 13510), (4396, 12545), (5018, 10990), (5404, 10205), (5495, 10036), (6755, 8164)]