28803320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 82131840

約数和(自身を除く): 53328520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 193, 205, 260, 280, 287, 328, 364, 386, 410, 455, 520, 533, 574, 728, 772, 820, 910, 965, 1066, 1148, 1351, 1435, 1544, 1640, 1820, 1930, 2132, 2296, 2509, 2665, 2702, 2870, 3640, 3731, 3860, 4264, 5018, 5330, 5404, 5740, 6755, 7462, 7720, 7913, 10036, 10660, 10808, 11480, 12545, 13510, 14924, 15826, 17563, 18655, 20072, 21320, 25090, 27020, 29848, 31652, 35126, 37310, 39565, 50180, 54040, 55391, 63304, 70252, 74620, 79130, 87815, 100360, 102869, 110782, 140504, 149240, 158260, 175630, 205738, 221564, 276955, 316520, 351260, 411476, 443128, 514345, 553910, 702520, 720083, 822952, 1028690, 1107820, 1440166, 2057380, 2215640, 2880332, 3600415, 4114760, 5760664, 7200830, 14401660, 28803320]

約数ペア:

[(1, 28803320), (2, 14401660), (4, 7200830), (5, 5760664), (7, 4114760), (8, 3600415), (10, 2880332), (13, 2215640), (14, 2057380), (20, 1440166), (26, 1107820), (28, 1028690), (35, 822952), (40, 720083), (41, 702520), (52, 553910), (56, 514345), (65, 443128), (70, 411476), (82, 351260), (91, 316520), (104, 276955), (130, 221564), (140, 205738), (164, 175630), (182, 158260), (193, 149240), (205, 140504), (260, 110782), (280, 102869), (287, 100360), (328, 87815), (364, 79130), (386, 74620), (410, 70252), (455, 63304), (520, 55391), (533, 54040), (574, 50180), (728, 39565), (772, 37310), (820, 35126), (910, 31652), (965, 29848), (1066, 27020), (1148, 25090), (1351, 21320), (1435, 20072), (1544, 18655), (1640, 17563), (1820, 15826), (1930, 14924), (2132, 13510), (2296, 12545), (2509, 11480), (2665, 10808), (2702, 10660), (2870, 10036), (3640, 7913), (3731, 7720), (3860, 7462), (4264, 6755), (5018, 5740), (5330, 5404)]