31122700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 77932512

約数和(自身を除く): 46809812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 173, 175, 257, 346, 350, 514, 692, 700, 865, 1028, 1211, 1285, 1730, 1799, 2422, 2570, 3460, 3598, 4325, 4844, 5140, 6055, 6425, 7196, 8650, 8995, 12110, 12850, 17300, 17990, 24220, 25700, 30275, 35980, 44461, 44975, 60550, 88922, 89950, 121100, 177844, 179900, 222305, 311227, 444610, 622454, 889220, 1111525, 1244908, 1556135, 2223050, 3112270, 4446100, 6224540, 7780675, 15561350, 31122700]

約数ペア:

[(1, 31122700), (2, 15561350), (4, 7780675), (5, 6224540), (7, 4446100), (10, 3112270), (14, 2223050), (20, 1556135), (25, 1244908), (28, 1111525), (35, 889220), (50, 622454), (70, 444610), (100, 311227), (140, 222305), (173, 179900), (175, 177844), (257, 121100), (346, 89950), (350, 88922), (514, 60550), (692, 44975), (700, 44461), (865, 35980), (1028, 30275), (1211, 25700), (1285, 24220), (1730, 17990), (1799, 17300), (2422, 12850), (2570, 12110), (3460, 8995), (3598, 8650), (4325, 7196), (4844, 6425), (5140, 6055)]