261218090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 601509888

約数和(自身を除く): 340291798

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 62, 70, 73, 85, 97, 119, 146, 155, 170, 194, 217, 238, 310, 365, 434, 485, 511, 527, 595, 679, 730, 970, 1022, 1054, 1085, 1190, 1241, 1358, 1649, 2170, 2263, 2482, 2555, 2635, 3007, 3298, 3395, 3689, 4526, 5110, 5270, 6014, 6205, 6790, 7081, 7378, 8245, 8687, 11315, 11543, 12410, 14162, 15035, 15841, 16490, 17374, 18445, 21049, 22630, 23086, 30070, 31682, 35405, 36890, 38471, 42098, 43435, 49567, 51119, 57715, 70810, 76942, 79205, 86870, 99134, 102238, 105245, 115430, 120377, 158410, 192355, 210490, 219511, 240754, 247835, 255595, 269297, 357833, 384710, 439022, 495670, 511190, 538594, 601885, 715666, 842639, 1097555, 1203770, 1346485, 1536577, 1685278, 1789165, 2195110, 2692970, 3073154, 3578330, 3731687, 4213195, 7463374, 7682885, 8426390, 15365770, 18658435, 26121809, 37316870, 52243618, 130609045, 261218090]

約数ペア:

[(1, 261218090), (2, 130609045), (5, 52243618), (7, 37316870), (10, 26121809), (14, 18658435), (17, 15365770), (31, 8426390), (34, 7682885), (35, 7463374), (62, 4213195), (70, 3731687), (73, 3578330), (85, 3073154), (97, 2692970), (119, 2195110), (146, 1789165), (155, 1685278), (170, 1536577), (194, 1346485), (217, 1203770), (238, 1097555), (310, 842639), (365, 715666), (434, 601885), (485, 538594), (511, 511190), (527, 495670), (595, 439022), (679, 384710), (730, 357833), (970, 269297), (1022, 255595), (1054, 247835), (1085, 240754), (1190, 219511), (1241, 210490), (1358, 192355), (1649, 158410), (2170, 120377), (2263, 115430), (2482, 105245), (2555, 102238), (2635, 99134), (3007, 86870), (3298, 79205), (3395, 76942), (3689, 70810), (4526, 57715), (5110, 51119), (5270, 49567), (6014, 43435), (6205, 42098), (6790, 38471), (7081, 36890), (7378, 35405), (8245, 31682), (8687, 30070), (11315, 23086), (11543, 22630), (12410, 21049), (14162, 18445), (15035, 17374), (15841, 16490)]