398350960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1359

約数の個数: 160

約数和(自身を含む): 1153497600

約数和(自身を除く): 755146640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 304, 380, 406, 464, 532, 551, 560, 580, 665, 760, 812, 1015, 1064, 1102, 1160, 1291, 1330, 1520, 1624, 2030, 2128, 2204, 2320, 2582, 2660, 2755, 3248, 3857, 4060, 4408, 5164, 5320, 5510, 6455, 7714, 8120, 8816, 9037, 10328, 10640, 11020, 12910, 15428, 16240, 18074, 19285, 20656, 22040, 24529, 25820, 30856, 36148, 37439, 38570, 44080, 45185, 49058, 51640, 61712, 72296, 74878, 77140, 90370, 98116, 103280, 122645, 144592, 149756, 154280, 171703, 180740, 187195, 196232, 245290, 262073, 299512, 308560, 343406, 361480, 374390, 392464, 490580, 524146, 599024, 686812, 711341, 722960, 748780, 858515, 981160, 1048292, 1310365, 1373624, 1422682, 1497560, 1717030, 1962320, 2096584, 2620730, 2747248, 2845364, 2995120, 3434060, 3556705, 4193168, 4979387, 5241460, 5690728, 6868120, 7113410, 9958774, 10482920, 11381456, 13736240, 14226820, 19917548, 20965840, 24896935, 28453640, 39835096, 49793870, 56907280, 79670192, 99587740, 199175480, 398350960]

約数ペア:

[(1, 398350960), (2, 199175480), (4, 99587740), (5, 79670192), (7, 56907280), (8, 49793870), (10, 39835096), (14, 28453640), (16, 24896935), (19, 20965840), (20, 19917548), (28, 14226820), (29, 13736240), (35, 11381456), (38, 10482920), (40, 9958774), (56, 7113410), (58, 6868120), (70, 5690728), (76, 5241460), (80, 4979387), (95, 4193168), (112, 3556705), (116, 3434060), (133, 2995120), (140, 2845364), (145, 2747248), (152, 2620730), (190, 2096584), (203, 1962320), (232, 1717030), (266, 1497560), (280, 1422682), (290, 1373624), (304, 1310365), (380, 1048292), (406, 981160), (464, 858515), (532, 748780), (551, 722960), (560, 711341), (580, 686812), (665, 599024), (760, 524146), (812, 490580), (1015, 392464), (1064, 374390), (1102, 361480), (1160, 343406), (1291, 308560), (1330, 299512), (1520, 262073), (1624, 245290), (2030, 196232), (2128, 187195), (2204, 180740), (2320, 171703), (2582, 154280), (2660, 149756), (2755, 144592), (3248, 122645), (3857, 103280), (4060, 98116), (4408, 90370), (5164, 77140), (5320, 74878), (5510, 72296), (6455, 61712), (7714, 51640), (8120, 49058), (8816, 45185), (9037, 44080), (10328, 38570), (10640, 37439), (11020, 36148), (12910, 30856), (15428, 25820), (16240, 24529), (18074, 22040), (19285, 20656)]