289605440

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8009}}^1$

素因数の和:8139

約数の個数: 56

約数和(自身を含む): 695812680

約数和(自身を除く): 406207240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 7232, 8009, 9040, 16018, 18080, 32036, 36160, 40045, 64072, 80090, 128144, 160180, 256288, 320360, 512576, 640720, 905017, 1281440, 1810034, 2562880, 3620068, 4525085, 7240136, 9050170, 14480272, 18100340, 28960544, 36200680, 57921088, 72401360, 144802720, 289605440]

約数ペア:

[(1, 289605440), (2, 144802720), (4, 72401360), (5, 57921088), (8, 36200680), (10, 28960544), (16, 18100340), (20, 14480272), (32, 9050170), (40, 7240136), (64, 4525085), (80, 3620068), (113, 2562880), (160, 1810034), (226, 1281440), (320, 905017), (452, 640720), (565, 512576), (904, 320360), (1130, 256288), (1808, 160180), (2260, 128144), (3616, 80090), (4520, 64072), (7232, 40045), (8009, 36160), (9040, 32036), (16018, 18080)]