280141232

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{21019}}^1$

素因数の和:21058

約数の個数: 60

約数和(自身を含む): 668562120

約数和(自身を除く): 388420888

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1666, 1904, 3332, 6664, 13328, 21019, 42038, 84076, 147133, 168152, 294266, 336304, 357323, 588532, 714646, 1029931, 1177064, 1429292, 2059862, 2354128, 2501261, 2858584, 4119724, 5002522, 5717168, 8239448, 10005044, 16478896, 17508827, 20010088, 35017654, 40020176, 70035308, 140070616, 280141232]

約数ペア:

[(1, 280141232), (2, 140070616), (4, 70035308), (7, 40020176), (8, 35017654), (14, 20010088), (16, 17508827), (17, 16478896), (28, 10005044), (34, 8239448), (49, 5717168), (56, 5002522), (68, 4119724), (98, 2858584), (112, 2501261), (119, 2354128), (136, 2059862), (196, 1429292), (238, 1177064), (272, 1029931), (392, 714646), (476, 588532), (784, 357323), (833, 336304), (952, 294266), (1666, 168152), (1904, 147133), (3332, 84076), (6664, 42038), (13328, 21019)]