205466900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 463345344

約数和(自身を除く): 257878444

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 71, 86, 100, 142, 172, 215, 284, 355, 430, 673, 710, 860, 1075, 1346, 1420, 1775, 2150, 2692, 3053, 3365, 3550, 4300, 6106, 6730, 7100, 12212, 13460, 15265, 16825, 28939, 30530, 33650, 47783, 57878, 61060, 67300, 76325, 95566, 115756, 144695, 152650, 191132, 238915, 289390, 305300, 477830, 578780, 723475, 955660, 1194575, 1446950, 2054669, 2389150, 2893900, 4109338, 4778300, 8218676, 10273345, 20546690, 41093380, 51366725, 102733450, 205466900]

約数ペア:

[(1, 205466900), (2, 102733450), (4, 51366725), (5, 41093380), (10, 20546690), (20, 10273345), (25, 8218676), (43, 4778300), (50, 4109338), (71, 2893900), (86, 2389150), (100, 2054669), (142, 1446950), (172, 1194575), (215, 955660), (284, 723475), (355, 578780), (430, 477830), (673, 305300), (710, 289390), (860, 238915), (1075, 191132), (1346, 152650), (1420, 144695), (1775, 115756), (2150, 95566), (2692, 76325), (3053, 67300), (3365, 61060), (3550, 57878), (4300, 47783), (6106, 33650), (6730, 30530), (7100, 28939), (12212, 16825), (13460, 15265)]