278217828

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2095

約数の個数: 120

約数和(自身を含む): 845265344

約数和(自身を除く): 567047516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 81, 84, 108, 122, 126, 162, 183, 189, 244, 252, 324, 366, 378, 427, 549, 567, 732, 756, 854, 1098, 1134, 1281, 1647, 1708, 2011, 2196, 2268, 2562, 3294, 3843, 4022, 4941, 5124, 6033, 6588, 7686, 8044, 9882, 11529, 12066, 14077, 15372, 18099, 19764, 23058, 24132, 28154, 34587, 36198, 42231, 46116, 54297, 56308, 69174, 72396, 84462, 108594, 122671, 126693, 138348, 162891, 168924, 217188, 245342, 253386, 325782, 368013, 380079, 490684, 506772, 651564, 736026, 760158, 858697, 1104039, 1140237, 1472052, 1520316, 1717394, 2208078, 2280474, 2576091, 3312117, 3434788, 4416156, 4560948, 5152182, 6624234, 7728273, 9936351, 10304364, 13248468, 15456546, 19872702, 23184819, 30913092, 39745404, 46369638, 69554457, 92739276, 139108914, 278217828]

約数ペア:

[(1, 278217828), (2, 139108914), (3, 92739276), (4, 69554457), (6, 46369638), (7, 39745404), (9, 30913092), (12, 23184819), (14, 19872702), (18, 15456546), (21, 13248468), (27, 10304364), (28, 9936351), (36, 7728273), (42, 6624234), (54, 5152182), (61, 4560948), (63, 4416156), (81, 3434788), (84, 3312117), (108, 2576091), (122, 2280474), (126, 2208078), (162, 1717394), (183, 1520316), (189, 1472052), (244, 1140237), (252, 1104039), (324, 858697), (366, 760158), (378, 736026), (427, 651564), (549, 506772), (567, 490684), (732, 380079), (756, 368013), (854, 325782), (1098, 253386), (1134, 245342), (1281, 217188), (1647, 168924), (1708, 162891), (2011, 138348), (2196, 126693), (2268, 122671), (2562, 108594), (3294, 84462), (3843, 72396), (4022, 69174), (4941, 56308), (5124, 54297), (6033, 46116), (6588, 42231), (7686, 36198), (8044, 34587), (9882, 28154), (11529, 24132), (12066, 23058), (14077, 19764), (15372, 18099)]