250942720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{4001}}^1$

素因数の和:4036

約数の個数: 108

約数和(自身を含む): 699397524

約数和(自身を除く): 448454804

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4001, 4480, 6272, 7840, 8002, 8960, 12544, 15680, 16004, 20005, 28007, 31360, 32008, 40010, 56014, 62720, 64016, 80020, 112028, 128032, 140035, 160040, 196049, 224056, 256064, 280070, 320080, 392098, 448112, 512128, 560140, 640160, 784196, 896224, 980245, 1024256, 1120280, 1280320, 1568392, 1792448, 1960490, 2240560, 2560640, 3136784, 3584896, 3920980, 4481120, 5121280, 6273568, 7169792, 7841960, 8962240, 12547136, 15683920, 17924480, 25094272, 31367840, 35848960, 50188544, 62735680, 125471360, 250942720]

約数ペア:

[(1, 250942720), (2, 125471360), (4, 62735680), (5, 50188544), (7, 35848960), (8, 31367840), (10, 25094272), (14, 17924480), (16, 15683920), (20, 12547136), (28, 8962240), (32, 7841960), (35, 7169792), (40, 6273568), (49, 5121280), (56, 4481120), (64, 3920980), (70, 3584896), (80, 3136784), (98, 2560640), (112, 2240560), (128, 1960490), (140, 1792448), (160, 1568392), (196, 1280320), (224, 1120280), (245, 1024256), (256, 980245), (280, 896224), (320, 784196), (392, 640160), (448, 560140), (490, 512128), (560, 448112), (640, 392098), (784, 320080), (896, 280070), (980, 256064), (1120, 224056), (1280, 196049), (1568, 160040), (1792, 140035), (1960, 128032), (2240, 112028), (3136, 80020), (3920, 64016), (4001, 62720), (4480, 56014), (6272, 40010), (7840, 32008), (8002, 31360), (8960, 28007), (12544, 20005), (15680, 16004)]