66687700

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 149990400

約数和(自身を除く): 83302700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 89, 100, 118, 127, 178, 236, 254, 295, 356, 445, 508, 590, 635, 890, 1180, 1270, 1475, 1780, 2225, 2540, 2950, 3175, 4450, 5251, 5900, 6350, 7493, 8900, 10502, 11303, 12700, 14986, 21004, 22606, 26255, 29972, 37465, 45212, 52510, 56515, 74930, 105020, 113030, 131275, 149860, 187325, 226060, 262550, 282575, 374650, 525100, 565150, 666877, 749300, 1130300, 1333754, 2667508, 3334385, 6668770, 13337540, 16671925, 33343850, 66687700]

約数ペア:

[(1, 66687700), (2, 33343850), (4, 16671925), (5, 13337540), (10, 6668770), (20, 3334385), (25, 2667508), (50, 1333754), (59, 1130300), (89, 749300), (100, 666877), (118, 565150), (127, 525100), (178, 374650), (236, 282575), (254, 262550), (295, 226060), (356, 187325), (445, 149860), (508, 131275), (590, 113030), (635, 105020), (890, 74930), (1180, 56515), (1270, 52510), (1475, 45212), (1780, 37465), (2225, 29972), (2540, 26255), (2950, 22606), (3175, 21004), (4450, 14986), (5251, 12700), (5900, 11303), (6350, 10502), (7493, 8900)]