88340140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 218045520

約数和(自身を除く): 129705380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 827, 980, 1090, 1526, 1654, 2180, 3052, 3308, 3815, 4135, 5341, 5789, 7630, 8270, 10682, 11578, 15260, 16540, 21364, 23156, 26705, 28945, 40523, 53410, 57890, 81046, 90143, 106820, 115780, 162092, 180286, 202615, 360572, 405230, 450715, 631001, 810460, 901430, 1262002, 1802860, 2524004, 3155005, 4417007, 6310010, 8834014, 12620020, 17668028, 22085035, 44170070, 88340140]

約数ペア:

[(1, 88340140), (2, 44170070), (4, 22085035), (5, 17668028), (7, 12620020), (10, 8834014), (14, 6310010), (20, 4417007), (28, 3155005), (35, 2524004), (49, 1802860), (70, 1262002), (98, 901430), (109, 810460), (140, 631001), (196, 450715), (218, 405230), (245, 360572), (436, 202615), (490, 180286), (545, 162092), (763, 115780), (827, 106820), (980, 90143), (1090, 81046), (1526, 57890), (1654, 53410), (2180, 40523), (3052, 28945), (3308, 26705), (3815, 23156), (4135, 21364), (5341, 16540), (5789, 15260), (7630, 11578), (8270, 10682)]