251569220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{14149}}^1$

素因数の和:14292

約数の個数: 48

約数和(自身を含む): 608563200

約数和(自身を除く): 356993980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 14149, 17780, 28298, 56596, 70745, 99043, 141490, 198086, 282980, 396172, 495215, 990430, 1796923, 1980860, 3593846, 7187692, 8984615, 12578461, 17969230, 25156922, 35938460, 50313844, 62892305, 125784610, 251569220]

約数ペア:

[(1, 251569220), (2, 125784610), (4, 62892305), (5, 50313844), (7, 35938460), (10, 25156922), (14, 17969230), (20, 12578461), (28, 8984615), (35, 7187692), (70, 3593846), (127, 1980860), (140, 1796923), (254, 990430), (508, 495215), (635, 396172), (889, 282980), (1270, 198086), (1778, 141490), (2540, 99043), (3556, 70745), (4445, 56596), (8890, 28298), (14149, 17780)]