221330560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 583848000

約数和(自身を除く): 362517440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 149, 160, 176, 211, 220, 298, 320, 352, 422, 440, 596, 640, 704, 745, 844, 880, 1055, 1192, 1408, 1490, 1639, 1688, 1760, 2110, 2321, 2384, 2980, 3278, 3376, 3520, 4220, 4642, 4768, 5960, 6556, 6752, 7040, 8195, 8440, 9284, 9536, 11605, 11920, 13112, 13504, 16390, 16880, 18568, 19072, 23210, 23840, 26224, 27008, 31439, 32780, 33760, 37136, 46420, 47680, 52448, 62878, 65560, 67520, 74272, 92840, 95360, 104896, 125756, 131120, 135040, 148544, 157195, 185680, 209792, 251512, 262240, 297088, 314390, 345829, 371360, 503024, 524480, 628780, 691658, 742720, 1006048, 1048960, 1257560, 1383316, 1485440, 1729145, 2012096, 2515120, 2766632, 3458290, 4024192, 5030240, 5533264, 6916580, 10060480, 11066528, 13833160, 20120960, 22133056, 27666320, 44266112, 55332640, 110665280, 221330560]

約数ペア:

[(1, 221330560), (2, 110665280), (4, 55332640), (5, 44266112), (8, 27666320), (10, 22133056), (11, 20120960), (16, 13833160), (20, 11066528), (22, 10060480), (32, 6916580), (40, 5533264), (44, 5030240), (55, 4024192), (64, 3458290), (80, 2766632), (88, 2515120), (110, 2012096), (128, 1729145), (149, 1485440), (160, 1383316), (176, 1257560), (211, 1048960), (220, 1006048), (298, 742720), (320, 691658), (352, 628780), (422, 524480), (440, 503024), (596, 371360), (640, 345829), (704, 314390), (745, 297088), (844, 262240), (880, 251512), (1055, 209792), (1192, 185680), (1408, 157195), (1490, 148544), (1639, 135040), (1688, 131120), (1760, 125756), (2110, 104896), (2321, 95360), (2384, 92840), (2980, 74272), (3278, 67520), (3376, 65560), (3520, 62878), (4220, 52448), (4642, 47680), (4768, 46420), (5960, 37136), (6556, 33760), (6752, 32780), (7040, 31439), (8195, 27008), (8440, 26224), (9284, 23840), (9536, 23210), (11605, 19072), (11920, 18568), (13112, 16880), (13504, 16390)]