490403984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{230453}}^1$

素因数の和:230487

約数の個数: 40

約数和(自身を含む): 1143051840

約数和(自身を除く): 652647856

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 230453, 460906, 921812, 1613171, 1843624, 3226342, 3687248, 4378607, 6452684, 8757214, 12905368, 17514428, 25810736, 30650249, 35028856, 61300498, 70057712, 122600996, 245201992, 490403984]

約数ペア:

[(1, 490403984), (2, 245201992), (4, 122600996), (7, 70057712), (8, 61300498), (14, 35028856), (16, 30650249), (19, 25810736), (28, 17514428), (38, 12905368), (56, 8757214), (76, 6452684), (112, 4378607), (133, 3687248), (152, 3226342), (266, 1843624), (304, 1613171), (532, 921812), (1064, 460906), (2128, 230453)]