100387280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25609}}^1$

素因数の和:25636

約数の個数: 60

約数和(自身を含む): 271517220

約数和(自身を除く): 171129940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 25609, 51218, 102436, 128045, 179263, 204872, 256090, 358526, 409744, 512180, 717052, 896315, 1024360, 1254841, 1434104, 1792630, 2048720, 2509682, 2868208, 3585260, 5019364, 6274205, 7170520, 10038728, 12548410, 14341040, 20077456, 25096820, 50193640, 100387280]

約数ペア:

[(1, 100387280), (2, 50193640), (4, 25096820), (5, 20077456), (7, 14341040), (8, 12548410), (10, 10038728), (14, 7170520), (16, 6274205), (20, 5019364), (28, 3585260), (35, 2868208), (40, 2509682), (49, 2048720), (56, 1792630), (70, 1434104), (80, 1254841), (98, 1024360), (112, 896315), (140, 717052), (196, 512180), (245, 409744), (280, 358526), (392, 256090), (490, 204872), (560, 179263), (784, 128045), (980, 102436), (1960, 51218), (3920, 25609)]