221555670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3023}}^1$

素因数の和:3389

約数の個数: 64

約数和(自身を含む): 609638400

約数和(自身を除く): 388082730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 349, 698, 1047, 1745, 2094, 2443, 3023, 3490, 4886, 5235, 6046, 7329, 9069, 10470, 12215, 14658, 15115, 18138, 21161, 24430, 30230, 36645, 42322, 45345, 63483, 73290, 90690, 105805, 126966, 211610, 317415, 634830, 1055027, 2110054, 3165081, 5275135, 6330162, 7385189, 10550270, 14770378, 15825405, 22155567, 31650810, 36925945, 44311134, 73851890, 110777835, 221555670]

約数ペア:

[(1, 221555670), (2, 110777835), (3, 73851890), (5, 44311134), (6, 36925945), (7, 31650810), (10, 22155567), (14, 15825405), (15, 14770378), (21, 10550270), (30, 7385189), (35, 6330162), (42, 5275135), (70, 3165081), (105, 2110054), (210, 1055027), (349, 634830), (698, 317415), (1047, 211610), (1745, 126966), (2094, 105805), (2443, 90690), (3023, 73290), (3490, 63483), (4886, 45345), (5235, 42322), (6046, 36645), (7329, 30230), (9069, 24430), (10470, 21161), (12215, 18138), (14658, 15115)]