408020256

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 216

約数和(自身を含む): 1397689020

約数和(自身を除く): 989668764

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 96, 98, 112, 116, 126, 144, 147, 168, 174, 196, 203, 224, 232, 252, 261, 288, 294, 336, 348, 392, 406, 441, 464, 504, 522, 588, 609, 672, 696, 784, 812, 882, 928, 997, 1008, 1044, 1176, 1218, 1392, 1421, 1568, 1624, 1764, 1827, 1994, 2016, 2088, 2352, 2436, 2784, 2842, 2991, 3248, 3528, 3654, 3988, 4176, 4263, 4704, 4872, 5684, 5982, 6496, 6979, 7056, 7308, 7976, 8352, 8526, 8973, 9744, 11368, 11964, 12789, 13958, 14112, 14616, 15952, 17052, 17946, 19488, 20937, 22736, 23928, 25578, 27916, 28913, 29232, 31904, 34104, 35892, 41874, 45472, 47856, 48853, 51156, 55832, 57826, 58464, 62811, 68208, 71784, 83748, 86739, 95712, 97706, 102312, 111664, 115652, 125622, 136416, 143568, 146559, 167496, 173478, 195412, 202391, 204624, 223328, 231304, 251244, 260217, 287136, 293118, 334992, 346956, 390824, 404782, 409248, 439677, 462608, 502488, 520434, 586236, 607173, 669984, 693912, 781648, 809564, 879354, 925216, 1004976, 1040868, 1172472, 1214346, 1387824, 1416737, 1563296, 1619128, 1758708, 1821519, 2009952, 2081736, 2344944, 2428692, 2775648, 2833474, 3238256, 3517416, 3643038, 4163472, 4250211, 4689888, 4857384, 5666948, 6476512, 7034832, 7286076, 8326944, 8500422, 9714768, 11333896, 12750633, 14069664, 14572152, 17000844, 19429536, 22667792, 25501266, 29144304, 34001688, 45335584, 51002532, 58288608, 68003376, 102005064, 136006752, 204010128, 408020256]

約数ペア:

[(1, 408020256), (2, 204010128), (3, 136006752), (4, 102005064), (6, 68003376), (7, 58288608), (8, 51002532), (9, 45335584), (12, 34001688), (14, 29144304), (16, 25501266), (18, 22667792), (21, 19429536), (24, 17000844), (28, 14572152), (29, 14069664), (32, 12750633), (36, 11333896), (42, 9714768), (48, 8500422), (49, 8326944), (56, 7286076), (58, 7034832), (63, 6476512), (72, 5666948), (84, 4857384), (87, 4689888), (96, 4250211), (98, 4163472), (112, 3643038), (116, 3517416), (126, 3238256), (144, 2833474), (147, 2775648), (168, 2428692), (174, 2344944), (196, 2081736), (203, 2009952), (224, 1821519), (232, 1758708), (252, 1619128), (261, 1563296), (288, 1416737), (294, 1387824), (336, 1214346), (348, 1172472), (392, 1040868), (406, 1004976), (441, 925216), (464, 879354), (504, 809564), (522, 781648), (588, 693912), (609, 669984), (672, 607173), (696, 586236), (784, 520434), (812, 502488), (882, 462608), (928, 439677), (997, 409248), (1008, 404782), (1044, 390824), (1176, 346956), (1218, 334992), (1392, 293118), (1421, 287136), (1568, 260217), (1624, 251244), (1764, 231304), (1827, 223328), (1994, 204624), (2016, 202391), (2088, 195412), (2352, 173478), (2436, 167496), (2784, 146559), (2842, 143568), (2991, 136416), (3248, 125622), (3528, 115652), (3654, 111664), (3988, 102312), (4176, 97706), (4263, 95712), (4704, 86739), (4872, 83748), (5684, 71784), (5982, 68208), (6496, 62811), (6979, 58464), (7056, 57826), (7308, 55832), (7976, 51156), (8352, 48853), (8526, 47856), (8973, 45472), (9744, 41874), (11368, 35892), (11964, 34104), (12789, 31904), (13958, 29232), (14112, 28913), (14616, 27916), (15952, 25578), (17052, 23928), (17946, 22736), (19488, 20937)]