66507700

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 90

約数和(自身を含む): 168973126

約数和(自身を除く): 102465426

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 277, 343, 350, 490, 554, 686, 700, 980, 1108, 1225, 1372, 1385, 1715, 1939, 2401, 2450, 2770, 3430, 3878, 4802, 4900, 5540, 6860, 6925, 7756, 8575, 9604, 9695, 12005, 13573, 13850, 17150, 19390, 24010, 27146, 27700, 34300, 38780, 48020, 48475, 54292, 60025, 67865, 95011, 96950, 120050, 135730, 190022, 193900, 240100, 271460, 339325, 380044, 475055, 665077, 678650, 950110, 1330154, 1357300, 1900220, 2375275, 2660308, 3325385, 4750550, 6650770, 9501100, 13301540, 16626925, 33253850, 66507700]

約数ペア:

[(1, 66507700), (2, 33253850), (4, 16626925), (5, 13301540), (7, 9501100), (10, 6650770), (14, 4750550), (20, 3325385), (25, 2660308), (28, 2375275), (35, 1900220), (49, 1357300), (50, 1330154), (70, 950110), (98, 678650), (100, 665077), (140, 475055), (175, 380044), (196, 339325), (245, 271460), (277, 240100), (343, 193900), (350, 190022), (490, 135730), (554, 120050), (686, 96950), (700, 95011), (980, 67865), (1108, 60025), (1225, 54292), (1372, 48475), (1385, 48020), (1715, 38780), (1939, 34300), (2401, 27700), (2450, 27146), (2770, 24010), (3430, 19390), (3878, 17150), (4802, 13850), (4900, 13573), (5540, 12005), (6860, 9695), (6925, 9604), (7756, 8575)]