1939866880

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 216

約数和(自身を含む): 5467254408

約数和(自身を除く): 3527387528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 157, 160, 196, 197, 224, 245, 256, 280, 314, 320, 392, 394, 448, 490, 560, 628, 640, 784, 785, 788, 896, 980, 985, 1099, 1120, 1256, 1280, 1379, 1568, 1570, 1576, 1792, 1960, 1970, 2198, 2240, 2512, 2758, 3136, 3140, 3152, 3920, 3940, 4396, 4480, 5024, 5495, 5516, 6272, 6280, 6304, 6895, 7693, 7840, 7880, 8792, 8960, 9653, 10048, 10990, 11032, 12544, 12560, 12608, 13790, 15386, 15680, 15760, 17584, 19306, 20096, 21980, 22064, 25120, 25216, 27580, 30772, 30929, 31360, 31520, 35168, 38465, 38612, 40192, 43960, 44128, 48265, 50240, 50432, 55160, 61544, 61858, 62720, 63040, 70336, 76930, 77224, 87920, 88256, 96530, 100480, 110320, 123088, 123716, 126080, 140672, 153860, 154448, 154645, 175840, 176512, 193060, 200960, 216503, 220640, 246176, 247432, 252160, 281344, 307720, 308896, 309290, 351680, 353024, 386120, 433006, 441280, 492352, 494864, 615440, 617792, 618580, 703360, 772240, 866012, 882560, 984704, 989728, 1082515, 1230880, 1235584, 1237160, 1406720, 1515521, 1544480, 1732024, 1765120, 1969408, 1979456, 2165030, 2461760, 2471168, 2474320, 3031042, 3088960, 3464048, 3958912, 4330060, 4923520, 4948640, 6062084, 6177920, 6928096, 7577605, 7917824, 8660120, 9847040, 9897280, 12124168, 12355840, 13856192, 15155210, 17320240, 19794560, 24248336, 27712384, 30310420, 34640480, 39589120, 48496672, 55424768, 60620840, 69280960, 96993344, 121241680, 138561920, 193986688, 242483360, 277123840, 387973376, 484966720, 969933440, 1939866880]

約数ペア:

[(1, 1939866880), (2, 969933440), (4, 484966720), (5, 387973376), (7, 277123840), (8, 242483360), (10, 193986688), (14, 138561920), (16, 121241680), (20, 96993344), (28, 69280960), (32, 60620840), (35, 55424768), (40, 48496672), (49, 39589120), (56, 34640480), (64, 30310420), (70, 27712384), (80, 24248336), (98, 19794560), (112, 17320240), (128, 15155210), (140, 13856192), (157, 12355840), (160, 12124168), (196, 9897280), (197, 9847040), (224, 8660120), (245, 7917824), (256, 7577605), (280, 6928096), (314, 6177920), (320, 6062084), (392, 4948640), (394, 4923520), (448, 4330060), (490, 3958912), (560, 3464048), (628, 3088960), (640, 3031042), (784, 2474320), (785, 2471168), (788, 2461760), (896, 2165030), (980, 1979456), (985, 1969408), (1099, 1765120), (1120, 1732024), (1256, 1544480), (1280, 1515521), (1379, 1406720), (1568, 1237160), (1570, 1235584), (1576, 1230880), (1792, 1082515), (1960, 989728), (1970, 984704), (2198, 882560), (2240, 866012), (2512, 772240), (2758, 703360), (3136, 618580), (3140, 617792), (3152, 615440), (3920, 494864), (3940, 492352), (4396, 441280), (4480, 433006), (5024, 386120), (5495, 353024), (5516, 351680), (6272, 309290), (6280, 308896), (6304, 307720), (6895, 281344), (7693, 252160), (7840, 247432), (7880, 246176), (8792, 220640), (8960, 216503), (9653, 200960), (10048, 193060), (10990, 176512), (11032, 175840), (12544, 154645), (12560, 154448), (12608, 153860), (13790, 140672), (15386, 126080), (15680, 123716), (15760, 123088), (17584, 110320), (19306, 100480), (20096, 96530), (21980, 88256), (22064, 87920), (25120, 77224), (25216, 76930), (27580, 70336), (30772, 63040), (30929, 62720), (31360, 61858), (31520, 61544), (35168, 55160), (38465, 50432), (38612, 50240), (40192, 48265), (43960, 44128)]