890667256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 1926144000

約数和(自身を除く): 1035476744

約数列:

[1, 2, 4, 8, 19, 29, 37, 38, 43, 58, 74, 76, 86, 116, 127, 148, 152, 172, 232, 254, 296, 344, 508, 551, 703, 817, 1016, 1073, 1102, 1247, 1406, 1591, 1634, 2146, 2204, 2413, 2494, 2812, 3182, 3268, 3683, 4292, 4408, 4699, 4826, 4988, 5461, 5624, 6364, 6536, 7366, 8584, 9398, 9652, 9976, 10922, 12728, 14732, 18796, 19304, 20387, 21844, 23693, 29464, 30229, 37592, 40774, 43688, 46139, 47386, 60458, 69977, 81548, 89281, 92278, 94772, 103759, 120916, 136271, 139954, 158369, 163096, 178562, 184556, 189544, 202057, 207518, 241832, 272542, 279908, 316738, 357124, 369112, 404114, 415036, 545084, 559816, 633476, 714248, 808228, 830072, 876641, 1090168, 1266952, 1616456, 1753282, 2589149, 3009011, 3506564, 3839083, 5178298, 5859653, 6018022, 7013128, 7678166, 10356596, 11719306, 12036044, 15356332, 20713192, 23438612, 24072088, 30712664, 46877224, 111333407, 222666814, 445333628, 890667256]

約数ペア:

[(1, 890667256), (2, 445333628), (4, 222666814), (8, 111333407), (19, 46877224), (29, 30712664), (37, 24072088), (38, 23438612), (43, 20713192), (58, 15356332), (74, 12036044), (76, 11719306), (86, 10356596), (116, 7678166), (127, 7013128), (148, 6018022), (152, 5859653), (172, 5178298), (232, 3839083), (254, 3506564), (296, 3009011), (344, 2589149), (508, 1753282), (551, 1616456), (703, 1266952), (817, 1090168), (1016, 876641), (1073, 830072), (1102, 808228), (1247, 714248), (1406, 633476), (1591, 559816), (1634, 545084), (2146, 415036), (2204, 404114), (2413, 369112), (2494, 357124), (2812, 316738), (3182, 279908), (3268, 272542), (3683, 241832), (4292, 207518), (4408, 202057), (4699, 189544), (4826, 184556), (4988, 178562), (5461, 163096), (5624, 158369), (6364, 139954), (6536, 136271), (7366, 120916), (8584, 103759), (9398, 94772), (9652, 92278), (9976, 89281), (10922, 81548), (12728, 69977), (14732, 60458), (18796, 47386), (19304, 46139), (20387, 43688), (21844, 40774), (23693, 37592), (29464, 30229)]