19655300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 49955136

約数和(自身を除く): 30299836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 653, 700, 860, 1075, 1204, 1306, 1505, 2150, 2612, 3010, 3265, 4300, 4571, 6020, 6530, 7525, 9142, 13060, 15050, 16325, 18284, 22855, 28079, 30100, 32650, 45710, 56158, 65300, 91420, 112316, 114275, 140395, 196553, 228550, 280790, 393106, 457100, 561580, 701975, 786212, 982765, 1403950, 1965530, 2807900, 3931060, 4913825, 9827650, 19655300]

約数ペア:

[(1, 19655300), (2, 9827650), (4, 4913825), (5, 3931060), (7, 2807900), (10, 1965530), (14, 1403950), (20, 982765), (25, 786212), (28, 701975), (35, 561580), (43, 457100), (50, 393106), (70, 280790), (86, 228550), (100, 196553), (140, 140395), (172, 114275), (175, 112316), (215, 91420), (301, 65300), (350, 56158), (430, 45710), (602, 32650), (653, 30100), (700, 28079), (860, 22855), (1075, 18284), (1204, 16325), (1306, 15050), (1505, 13060), (2150, 9142), (2612, 7525), (3010, 6530), (3265, 6020), (4300, 4571)]