209385960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6737}}^1$

素因数の和:6795

約数の個数: 128

約数和(自身を含む): 737406720

約数和(自身を除く): 528020760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 6737, 7770, 10360, 13474, 15540, 20211, 26948, 31080, 33685, 40422, 47159, 53896, 67370, 80844, 94318, 101055, 134740, 141477, 161688, 188636, 202110, 235795, 249269, 269480, 282954, 377272, 404220, 471590, 498538, 565908, 707385, 747807, 808440, 943180, 997076, 1131816, 1246345, 1414770, 1495614, 1744883, 1886360, 1994152, 2492690, 2829540, 2991228, 3489766, 3739035, 4985380, 5234649, 5659080, 5982456, 6979532, 7478070, 8724415, 9970760, 10469298, 13959064, 14956140, 17448830, 20938596, 26173245, 29912280, 34897660, 41877192, 52346490, 69795320, 104692980, 209385960]

約数ペア:

[(1, 209385960), (2, 104692980), (3, 69795320), (4, 52346490), (5, 41877192), (6, 34897660), (7, 29912280), (8, 26173245), (10, 20938596), (12, 17448830), (14, 14956140), (15, 13959064), (20, 10469298), (21, 9970760), (24, 8724415), (28, 7478070), (30, 6979532), (35, 5982456), (37, 5659080), (40, 5234649), (42, 4985380), (56, 3739035), (60, 3489766), (70, 2991228), (74, 2829540), (84, 2492690), (105, 1994152), (111, 1886360), (120, 1744883), (140, 1495614), (148, 1414770), (168, 1246345), (185, 1131816), (210, 997076), (222, 943180), (259, 808440), (280, 747807), (296, 707385), (370, 565908), (420, 498538), (444, 471590), (518, 404220), (555, 377272), (740, 282954), (777, 269480), (840, 249269), (888, 235795), (1036, 202110), (1110, 188636), (1295, 161688), (1480, 141477), (1554, 134740), (2072, 101055), (2220, 94318), (2590, 80844), (3108, 67370), (3885, 53896), (4440, 47159), (5180, 40422), (6216, 33685), (6737, 31080), (7770, 26948), (10360, 20211), (13474, 15540)]