343195720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 916450560

約数和(自身を除く): 573254840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 157, 185, 211, 259, 280, 296, 314, 370, 422, 518, 628, 740, 785, 844, 1036, 1055, 1099, 1256, 1295, 1477, 1480, 1570, 1688, 2072, 2110, 2198, 2590, 2954, 3140, 4220, 4396, 5180, 5495, 5809, 5908, 6280, 7385, 7807, 8440, 8792, 10360, 10990, 11618, 11816, 14770, 15614, 21980, 23236, 29045, 29540, 31228, 33127, 39035, 40663, 43960, 46472, 54649, 58090, 59080, 62456, 66254, 78070, 81326, 109298, 116180, 132508, 156140, 162652, 165635, 203315, 218596, 231889, 232360, 265016, 273245, 312280, 325304, 331270, 406630, 437192, 463778, 546490, 662540, 813260, 927556, 1092980, 1159445, 1225699, 1325080, 1626520, 1855112, 2185960, 2318890, 2451398, 4637780, 4902796, 6128495, 8579893, 9275560, 9805592, 12256990, 17159786, 24513980, 34319572, 42899465, 49027960, 68639144, 85798930, 171597860, 343195720]

約数ペア:

[(1, 343195720), (2, 171597860), (4, 85798930), (5, 68639144), (7, 49027960), (8, 42899465), (10, 34319572), (14, 24513980), (20, 17159786), (28, 12256990), (35, 9805592), (37, 9275560), (40, 8579893), (56, 6128495), (70, 4902796), (74, 4637780), (140, 2451398), (148, 2318890), (157, 2185960), (185, 1855112), (211, 1626520), (259, 1325080), (280, 1225699), (296, 1159445), (314, 1092980), (370, 927556), (422, 813260), (518, 662540), (628, 546490), (740, 463778), (785, 437192), (844, 406630), (1036, 331270), (1055, 325304), (1099, 312280), (1256, 273245), (1295, 265016), (1477, 232360), (1480, 231889), (1570, 218596), (1688, 203315), (2072, 165635), (2110, 162652), (2198, 156140), (2590, 132508), (2954, 116180), (3140, 109298), (4220, 81326), (4396, 78070), (5180, 66254), (5495, 62456), (5809, 59080), (5908, 58090), (6280, 54649), (7385, 46472), (7807, 43960), (8440, 40663), (8792, 39035), (10360, 33127), (10990, 31228), (11618, 29540), (11816, 29045), (14770, 23236), (15614, 21980)]