68771780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44657}}^1$

素因数の和:44684

約数の個数: 48

約数和(自身を含む): 180061056

約数和(自身を除く): 111289276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 44657, 89314, 178628, 223285, 312599, 446570, 491227, 625198, 893140, 982454, 1250396, 1562995, 1964908, 2456135, 3125990, 3438589, 4912270, 6251980, 6877178, 9824540, 13754356, 17192945, 34385890, 68771780]

約数ペア:

[(1, 68771780), (2, 34385890), (4, 17192945), (5, 13754356), (7, 9824540), (10, 6877178), (11, 6251980), (14, 4912270), (20, 3438589), (22, 3125990), (28, 2456135), (35, 1964908), (44, 1562995), (55, 1250396), (70, 982454), (77, 893140), (110, 625198), (140, 491227), (154, 446570), (220, 312599), (308, 223285), (385, 178628), (770, 89314), (1540, 44657)]