66372700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 153236720

約数和(自身を除く): 86864020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 181, 190, 193, 362, 380, 386, 475, 724, 772, 905, 950, 965, 1810, 1900, 1930, 3439, 3620, 3667, 3860, 4525, 4825, 6878, 7334, 9050, 9650, 13756, 14668, 17195, 18100, 18335, 19300, 34390, 34933, 36670, 68780, 69866, 73340, 85975, 91675, 139732, 171950, 174665, 183350, 343900, 349330, 366700, 663727, 698660, 873325, 1327454, 1746650, 2654908, 3318635, 3493300, 6637270, 13274540, 16593175, 33186350, 66372700]

約数ペア:

[(1, 66372700), (2, 33186350), (4, 16593175), (5, 13274540), (10, 6637270), (19, 3493300), (20, 3318635), (25, 2654908), (38, 1746650), (50, 1327454), (76, 873325), (95, 698660), (100, 663727), (181, 366700), (190, 349330), (193, 343900), (362, 183350), (380, 174665), (386, 171950), (475, 139732), (724, 91675), (772, 85975), (905, 73340), (950, 69866), (965, 68780), (1810, 36670), (1900, 34933), (1930, 34390), (3439, 19300), (3620, 18335), (3667, 18100), (3860, 17195), (4525, 14668), (4825, 13756), (6878, 9650), (7334, 9050)]