90195140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1021}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 217023744

約数和(自身を除く): 126828604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1021, 1262, 2042, 2524, 3155, 4084, 4417, 5105, 6310, 7147, 8834, 10210, 12620, 14294, 17668, 20420, 22085, 28588, 35735, 44170, 71470, 88340, 142940, 644251, 1288502, 2577004, 3221255, 4509757, 6442510, 9019514, 12885020, 18039028, 22548785, 45097570, 90195140]

約数ペア:

[(1, 90195140), (2, 45097570), (4, 22548785), (5, 18039028), (7, 12885020), (10, 9019514), (14, 6442510), (20, 4509757), (28, 3221255), (35, 2577004), (70, 1288502), (140, 644251), (631, 142940), (1021, 88340), (1262, 71470), (2042, 44170), (2524, 35735), (3155, 28588), (4084, 22085), (4417, 20420), (5105, 17668), (6310, 14294), (7147, 12620), (8834, 10210)]