249101820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 144

約数和(自身を含む): 833440608

約数和(自身を除く): 584338788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 97, 99, 110, 132, 165, 180, 194, 198, 220, 291, 330, 388, 396, 485, 495, 582, 660, 873, 970, 990, 1067, 1164, 1297, 1455, 1746, 1940, 1980, 2134, 2594, 2910, 3201, 3492, 3891, 4268, 4365, 5188, 5335, 5820, 6402, 6485, 7782, 8730, 9603, 10670, 11673, 12804, 12970, 14267, 15564, 16005, 17460, 19206, 19455, 21340, 23346, 25940, 28534, 32010, 38412, 38910, 42801, 46692, 48015, 57068, 58365, 64020, 71335, 77820, 85602, 96030, 116730, 125809, 128403, 142670, 171204, 192060, 214005, 233460, 251618, 256806, 285340, 377427, 428010, 503236, 513612, 629045, 642015, 754854, 856020, 1132281, 1258090, 1284030, 1383899, 1509708, 1887135, 2264562, 2516180, 2568060, 2767798, 3774270, 4151697, 4529124, 5535596, 5661405, 6919495, 7548540, 8303394, 11322810, 12455091, 13838990, 16606788, 20758485, 22645620, 24910182, 27677980, 41516970, 49820364, 62275455, 83033940, 124550910, 249101820]

約数ペア:

[(1, 249101820), (2, 124550910), (3, 83033940), (4, 62275455), (5, 49820364), (6, 41516970), (9, 27677980), (10, 24910182), (11, 22645620), (12, 20758485), (15, 16606788), (18, 13838990), (20, 12455091), (22, 11322810), (30, 8303394), (33, 7548540), (36, 6919495), (44, 5661405), (45, 5535596), (55, 4529124), (60, 4151697), (66, 3774270), (90, 2767798), (97, 2568060), (99, 2516180), (110, 2264562), (132, 1887135), (165, 1509708), (180, 1383899), (194, 1284030), (198, 1258090), (220, 1132281), (291, 856020), (330, 754854), (388, 642015), (396, 629045), (485, 513612), (495, 503236), (582, 428010), (660, 377427), (873, 285340), (970, 256806), (990, 251618), (1067, 233460), (1164, 214005), (1297, 192060), (1455, 171204), (1746, 142670), (1940, 128403), (1980, 125809), (2134, 116730), (2594, 96030), (2910, 85602), (3201, 77820), (3492, 71335), (3891, 64020), (4268, 58365), (4365, 57068), (5188, 48015), (5335, 46692), (5820, 42801), (6402, 38910), (6485, 38412), (7782, 32010), (8730, 28534), (9603, 25940), (10670, 23346), (11673, 21340), (12804, 19455), (12970, 19206), (14267, 17460), (15564, 16005)]