221400816

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 180

約数和(自身を含む): 721741752

約数和(自身を除く): 500340936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 169, 182, 196, 208, 273, 294, 312, 336, 338, 364, 392, 507, 546, 557, 588, 624, 637, 676, 728, 784, 1014, 1092, 1114, 1176, 1183, 1274, 1352, 1456, 1671, 1911, 2028, 2184, 2228, 2352, 2366, 2548, 2704, 3342, 3549, 3822, 3899, 4056, 4368, 4456, 4732, 5096, 6684, 7098, 7241, 7644, 7798, 8112, 8281, 8912, 9464, 10192, 11697, 13368, 14196, 14482, 15288, 15596, 16562, 18928, 21723, 23394, 24843, 26736, 27293, 28392, 28964, 30576, 31192, 33124, 43446, 46788, 49686, 50687, 54586, 56784, 57928, 62384, 66248, 81879, 86892, 93576, 94133, 99372, 101374, 109172, 115856, 132496, 152061, 163758, 173784, 187152, 188266, 198744, 202748, 218344, 282399, 304122, 327516, 347568, 354809, 376532, 397488, 405496, 436688, 564798, 608244, 655032, 658931, 709618, 753064, 810992, 1064427, 1129596, 1216488, 1310064, 1317862, 1419236, 1506128, 1976793, 2128854, 2259192, 2432976, 2635724, 2838472, 3953586, 4257708, 4518384, 4612517, 5271448, 5676944, 7907172, 8515416, 9225034, 10542896, 13837551, 15814344, 17030832, 18450068, 27675102, 31628688, 36900136, 55350204, 73800272, 110700408, 221400816]

約数ペア:

[(1, 221400816), (2, 110700408), (3, 73800272), (4, 55350204), (6, 36900136), (7, 31628688), (8, 27675102), (12, 18450068), (13, 17030832), (14, 15814344), (16, 13837551), (21, 10542896), (24, 9225034), (26, 8515416), (28, 7907172), (39, 5676944), (42, 5271448), (48, 4612517), (49, 4518384), (52, 4257708), (56, 3953586), (78, 2838472), (84, 2635724), (91, 2432976), (98, 2259192), (104, 2128854), (112, 1976793), (147, 1506128), (156, 1419236), (168, 1317862), (169, 1310064), (182, 1216488), (196, 1129596), (208, 1064427), (273, 810992), (294, 753064), (312, 709618), (336, 658931), (338, 655032), (364, 608244), (392, 564798), (507, 436688), (546, 405496), (557, 397488), (588, 376532), (624, 354809), (637, 347568), (676, 327516), (728, 304122), (784, 282399), (1014, 218344), (1092, 202748), (1114, 198744), (1176, 188266), (1183, 187152), (1274, 173784), (1352, 163758), (1456, 152061), (1671, 132496), (1911, 115856), (2028, 109172), (2184, 101374), (2228, 99372), (2352, 94133), (2366, 93576), (2548, 86892), (2704, 81879), (3342, 66248), (3549, 62384), (3822, 57928), (3899, 56784), (4056, 54586), (4368, 50687), (4456, 49686), (4732, 46788), (5096, 43446), (6684, 33124), (7098, 31192), (7241, 30576), (7644, 28964), (7798, 28392), (8112, 27293), (8281, 26736), (8912, 24843), (9464, 23394), (10192, 21723), (11697, 18928), (13368, 16562), (14196, 15596), (14482, 15288)]