300907900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{15121}}^1$

素因数の和:15334

約数の個数: 36

約数和(自身を含む): 656294800

約数和(自身を除く): 355386900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 15121, 19900, 30242, 60484, 75605, 151210, 302420, 378025, 756050, 1512100, 3009079, 6018158, 12036316, 15045395, 30090790, 60181580, 75226975, 150453950, 300907900]

約数ペア:

[(1, 300907900), (2, 150453950), (4, 75226975), (5, 60181580), (10, 30090790), (20, 15045395), (25, 12036316), (50, 6018158), (100, 3009079), (199, 1512100), (398, 756050), (796, 378025), (995, 302420), (1990, 151210), (3980, 75605), (4975, 60484), (9950, 30242), (15121, 19900)]