251360480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{224429}}^1$

素因数の和:224451

約数の個数: 48

約数和(自身を含む): 678676320

約数和(自身を除く): 427315840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 224429, 448858, 897716, 1122145, 1571003, 1795432, 2244290, 3142006, 3590864, 4488580, 6284012, 7181728, 7855015, 8977160, 12568024, 15710030, 17954320, 25136048, 31420060, 35908640, 50272096, 62840120, 125680240, 251360480]

約数ペア:

[(1, 251360480), (2, 125680240), (4, 62840120), (5, 50272096), (7, 35908640), (8, 31420060), (10, 25136048), (14, 17954320), (16, 15710030), (20, 12568024), (28, 8977160), (32, 7855015), (35, 7181728), (40, 6284012), (56, 4488580), (70, 3590864), (80, 3142006), (112, 2244290), (140, 1795432), (160, 1571003), (224, 1122145), (280, 897716), (560, 448858), (1120, 224429)]