1293428360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 3386880000

約数和(自身を除く): 2093451640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 167, 199, 278, 280, 334, 398, 556, 668, 695, 796, 835, 973, 995, 1112, 1169, 1336, 1390, 1393, 1592, 1670, 1946, 1990, 2338, 2780, 2786, 3340, 3892, 3980, 4676, 4865, 5560, 5572, 5845, 6680, 6965, 7784, 7960, 9352, 9730, 11144, 11690, 13930, 19460, 23213, 23380, 27661, 27860, 33233, 38920, 46426, 46760, 55322, 55720, 66466, 92852, 110644, 116065, 132932, 138305, 162491, 166165, 185704, 193627, 221288, 232130, 232631, 265864, 276610, 324982, 332330, 387254, 464260, 465262, 553220, 649964, 664660, 774508, 812455, 928520, 930524, 968135, 1106440, 1163155, 1299928, 1329320, 1549016, 1624910, 1861048, 1936270, 2326310, 3249820, 3872540, 4619387, 4652620, 6499640, 7745080, 9238774, 9305240, 18477548, 23096935, 32335709, 36955096, 46193870, 64671418, 92387740, 129342836, 161678545, 184775480, 258685672, 323357090, 646714180, 1293428360]

約数ペア:

[(1, 1293428360), (2, 646714180), (4, 323357090), (5, 258685672), (7, 184775480), (8, 161678545), (10, 129342836), (14, 92387740), (20, 64671418), (28, 46193870), (35, 36955096), (40, 32335709), (56, 23096935), (70, 18477548), (139, 9305240), (140, 9238774), (167, 7745080), (199, 6499640), (278, 4652620), (280, 4619387), (334, 3872540), (398, 3249820), (556, 2326310), (668, 1936270), (695, 1861048), (796, 1624910), (835, 1549016), (973, 1329320), (995, 1299928), (1112, 1163155), (1169, 1106440), (1336, 968135), (1390, 930524), (1393, 928520), (1592, 812455), (1670, 774508), (1946, 664660), (1990, 649964), (2338, 553220), (2780, 465262), (2786, 464260), (3340, 387254), (3892, 332330), (3980, 324982), (4676, 276610), (4865, 265864), (5560, 232631), (5572, 232130), (5845, 221288), (6680, 193627), (6965, 185704), (7784, 166165), (7960, 162491), (9352, 138305), (9730, 132932), (11144, 116065), (11690, 110644), (13930, 92852), (19460, 66466), (23213, 55720), (23380, 55322), (27661, 46760), (27860, 46426), (33233, 38920)]