490178416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 1307059200

約数和(自身を除く): 816880784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 29, 38, 47, 52, 56, 58, 76, 91, 94, 104, 112, 116, 133, 152, 169, 182, 188, 203, 208, 232, 247, 266, 304, 329, 338, 364, 376, 377, 406, 464, 494, 532, 551, 611, 658, 676, 728, 752, 754, 812, 893, 988, 1064, 1102, 1183, 1222, 1316, 1352, 1363, 1456, 1508, 1624, 1729, 1786, 1976, 2128, 2204, 2366, 2444, 2632, 2639, 2704, 2726, 3016, 3211, 3248, 3458, 3572, 3857, 3952, 4277, 4408, 4732, 4888, 4901, 5264, 5278, 5452, 6032, 6251, 6422, 6916, 7144, 7163, 7714, 7943, 8554, 8816, 9464, 9541, 9776, 9802, 10556, 10904, 11609, 12502, 12844, 13832, 14288, 14326, 15428, 15886, 17108, 17719, 18928, 19082, 19604, 21112, 21808, 22477, 23218, 25004, 25688, 25897, 27664, 28652, 30856, 31772, 34216, 34307, 35438, 38164, 39208, 42224, 44954, 46436, 50008, 50141, 51376, 51794, 55601, 57304, 61712, 63544, 68432, 68614, 70876, 76328, 78416, 81263, 89908, 92872, 93119, 100016, 100282, 103588, 111202, 114608, 124033, 127088, 137228, 141752, 150917, 152656, 162526, 179816, 181279, 185744, 186238, 200564, 207176, 222404, 230347, 248066, 274456, 283504, 301834, 325052, 336661, 359632, 362558, 372476, 401128, 414352, 444808, 460694, 496132, 548912, 603668, 650104, 651833, 673322, 725116, 744952, 802256, 889616, 921388, 992264, 1056419, 1207336, 1300208, 1303666, 1346644, 1450232, 1489904, 1612429, 1842776, 1984528, 2112838, 2356627, 2414672, 2607332, 2693288, 2900464, 3224858, 3685552, 4225676, 4376593, 4713254, 5214664, 5386576, 6449716, 8451352, 8753186, 9426508, 10429328, 12899432, 16902704, 17506372, 18853016, 25798864, 30636151, 35012744, 37706032, 61272302, 70025488, 122544604, 245089208, 490178416]

約数ペア:

[(1, 490178416), (2, 245089208), (4, 122544604), (7, 70025488), (8, 61272302), (13, 37706032), (14, 35012744), (16, 30636151), (19, 25798864), (26, 18853016), (28, 17506372), (29, 16902704), (38, 12899432), (47, 10429328), (52, 9426508), (56, 8753186), (58, 8451352), (76, 6449716), (91, 5386576), (94, 5214664), (104, 4713254), (112, 4376593), (116, 4225676), (133, 3685552), (152, 3224858), (169, 2900464), (182, 2693288), (188, 2607332), (203, 2414672), (208, 2356627), (232, 2112838), (247, 1984528), (266, 1842776), (304, 1612429), (329, 1489904), (338, 1450232), (364, 1346644), (376, 1303666), (377, 1300208), (406, 1207336), (464, 1056419), (494, 992264), (532, 921388), (551, 889616), (611, 802256), (658, 744952), (676, 725116), (728, 673322), (752, 651833), (754, 650104), (812, 603668), (893, 548912), (988, 496132), (1064, 460694), (1102, 444808), (1183, 414352), (1222, 401128), (1316, 372476), (1352, 362558), (1363, 359632), (1456, 336661), (1508, 325052), (1624, 301834), (1729, 283504), (1786, 274456), (1976, 248066), (2128, 230347), (2204, 222404), (2366, 207176), (2444, 200564), (2632, 186238), (2639, 185744), (2704, 181279), (2726, 179816), (3016, 162526), (3211, 152656), (3248, 150917), (3458, 141752), (3572, 137228), (3857, 127088), (3952, 124033), (4277, 114608), (4408, 111202), (4732, 103588), (4888, 100282), (4901, 100016), (5264, 93119), (5278, 92872), (5452, 89908), (6032, 81263), (6251, 78416), (6422, 76328), (6916, 70876), (7144, 68614), (7163, 68432), (7714, 63544), (7943, 61712), (8554, 57304), (8816, 55601), (9464, 51794), (9541, 51376), (9776, 50141), (9802, 50008), (10556, 46436), (10904, 44954), (11609, 42224), (12502, 39208), (12844, 38164), (13832, 35438), (14288, 34307), (14326, 34216), (15428, 31772), (15886, 30856), (17108, 28652), (17719, 27664), (18928, 25897), (19082, 25688), (19604, 25004), (21112, 23218), (21808, 22477)]