400143040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 224

約数和(自身を含む): 1135319040

約数和(自身を除く): 735176000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 64, 76, 80, 88, 95, 110, 124, 152, 155, 160, 176, 190, 193, 209, 220, 248, 304, 310, 320, 341, 352, 380, 386, 418, 440, 496, 589, 608, 620, 682, 704, 760, 772, 836, 880, 965, 992, 1045, 1178, 1216, 1240, 1364, 1520, 1544, 1672, 1705, 1760, 1930, 1984, 2090, 2123, 2356, 2480, 2728, 2945, 3040, 3088, 3344, 3410, 3520, 3667, 3860, 4180, 4246, 4712, 4960, 5456, 5890, 5983, 6080, 6176, 6479, 6688, 6820, 7334, 7720, 8360, 8492, 9424, 9920, 10615, 10912, 11780, 11966, 12352, 12958, 13376, 13640, 14668, 15440, 16720, 16984, 18335, 18848, 21230, 21824, 23560, 23932, 25916, 27280, 29336, 29915, 30880, 32395, 33440, 33968, 36670, 37696, 40337, 42460, 47120, 47864, 51832, 54560, 58672, 59830, 61760, 64790, 65813, 66880, 67936, 73340, 80674, 84920, 94240, 95728, 103664, 109120, 113677, 117344, 119660, 129580, 131626, 135872, 146680, 161348, 169840, 188480, 191456, 201685, 207328, 227354, 234688, 239320, 259160, 263252, 293360, 322696, 329065, 339680, 382912, 403370, 414656, 454708, 478640, 518320, 526504, 568385, 586720, 645392, 658130, 679360, 806740, 909416, 957280, 1036640, 1053008, 1136770, 1173440, 1250447, 1290784, 1316260, 1613480, 1818832, 1914560, 2073280, 2106016, 2273540, 2500894, 2581568, 2632520, 3226960, 3637664, 4212032, 4547080, 5001788, 5265040, 6252235, 6453920, 7275328, 9094160, 10003576, 10530080, 12504470, 12907840, 18188320, 20007152, 21060160, 25008940, 36376640, 40014304, 50017880, 80028608, 100035760, 200071520, 400143040]

約数ペア:

[(1, 400143040), (2, 200071520), (4, 100035760), (5, 80028608), (8, 50017880), (10, 40014304), (11, 36376640), (16, 25008940), (19, 21060160), (20, 20007152), (22, 18188320), (31, 12907840), (32, 12504470), (38, 10530080), (40, 10003576), (44, 9094160), (55, 7275328), (62, 6453920), (64, 6252235), (76, 5265040), (80, 5001788), (88, 4547080), (95, 4212032), (110, 3637664), (124, 3226960), (152, 2632520), (155, 2581568), (160, 2500894), (176, 2273540), (190, 2106016), (193, 2073280), (209, 1914560), (220, 1818832), (248, 1613480), (304, 1316260), (310, 1290784), (320, 1250447), (341, 1173440), (352, 1136770), (380, 1053008), (386, 1036640), (418, 957280), (440, 909416), (496, 806740), (589, 679360), (608, 658130), (620, 645392), (682, 586720), (704, 568385), (760, 526504), (772, 518320), (836, 478640), (880, 454708), (965, 414656), (992, 403370), (1045, 382912), (1178, 339680), (1216, 329065), (1240, 322696), (1364, 293360), (1520, 263252), (1544, 259160), (1672, 239320), (1705, 234688), (1760, 227354), (1930, 207328), (1984, 201685), (2090, 191456), (2123, 188480), (2356, 169840), (2480, 161348), (2728, 146680), (2945, 135872), (3040, 131626), (3088, 129580), (3344, 119660), (3410, 117344), (3520, 113677), (3667, 109120), (3860, 103664), (4180, 95728), (4246, 94240), (4712, 84920), (4960, 80674), (5456, 73340), (5890, 67936), (5983, 66880), (6080, 65813), (6176, 64790), (6479, 61760), (6688, 59830), (6820, 58672), (7334, 54560), (7720, 51832), (8360, 47864), (8492, 47120), (9424, 42460), (9920, 40337), (10615, 37696), (10912, 36670), (11780, 33968), (11966, 33440), (12352, 32395), (12958, 30880), (13376, 29915), (13640, 29336), (14668, 27280), (15440, 25916), (16720, 23932), (16984, 23560), (18335, 21824), (18848, 21230)]