209560428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4447}}^1$

素因数の和:4492

約数の個数: 144

約数和(自身を含む): 699439104

約数和(自身を除く): 489878676

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 51, 63, 66, 68, 77, 84, 99, 102, 119, 126, 132, 153, 154, 187, 198, 204, 231, 238, 252, 306, 308, 357, 374, 396, 462, 476, 561, 612, 693, 714, 748, 924, 1071, 1122, 1309, 1386, 1428, 1683, 2142, 2244, 2618, 2772, 3366, 3927, 4284, 4447, 5236, 6732, 7854, 8894, 11781, 13341, 15708, 17788, 23562, 26682, 31129, 40023, 47124, 48917, 53364, 62258, 75599, 80046, 93387, 97834, 124516, 146751, 151198, 160092, 186774, 195668, 226797, 280161, 293502, 302396, 342419, 373548, 440253, 453594, 529193, 560322, 587004, 680391, 684838, 831589, 880506, 907188, 1027257, 1058386, 1120644, 1360782, 1369676, 1587579, 1663178, 1761012, 2054514, 2116772, 2494767, 2721564, 3081771, 3175158, 3326356, 4109028, 4762737, 4989534, 5821123, 6163542, 6350316, 7484301, 9525474, 9979068, 11642246, 12327084, 14968602, 17463369, 19050948, 23284492, 29937204, 34926738, 52390107, 69853476, 104780214, 209560428]

約数ペア:

[(1, 209560428), (2, 104780214), (3, 69853476), (4, 52390107), (6, 34926738), (7, 29937204), (9, 23284492), (11, 19050948), (12, 17463369), (14, 14968602), (17, 12327084), (18, 11642246), (21, 9979068), (22, 9525474), (28, 7484301), (33, 6350316), (34, 6163542), (36, 5821123), (42, 4989534), (44, 4762737), (51, 4109028), (63, 3326356), (66, 3175158), (68, 3081771), (77, 2721564), (84, 2494767), (99, 2116772), (102, 2054514), (119, 1761012), (126, 1663178), (132, 1587579), (153, 1369676), (154, 1360782), (187, 1120644), (198, 1058386), (204, 1027257), (231, 907188), (238, 880506), (252, 831589), (306, 684838), (308, 680391), (357, 587004), (374, 560322), (396, 529193), (462, 453594), (476, 440253), (561, 373548), (612, 342419), (693, 302396), (714, 293502), (748, 280161), (924, 226797), (1071, 195668), (1122, 186774), (1309, 160092), (1386, 151198), (1428, 146751), (1683, 124516), (2142, 97834), (2244, 93387), (2618, 80046), (2772, 75599), (3366, 62258), (3927, 53364), (4284, 48917), (4447, 47124), (5236, 40023), (6732, 31129), (7854, 26682), (8894, 23562), (11781, 17788), (13341, 15708)]