220174820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{5099}}^1$

素因数の和:5252

約数の個数: 48

約数和(自身を含む): 493516800

約数和(自身を除く): 273341980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 1270, 2159, 2540, 4318, 5099, 8636, 10198, 10795, 20396, 21590, 25495, 43180, 50990, 86683, 101980, 173366, 346732, 433415, 647573, 866830, 1295146, 1733660, 2590292, 3237865, 6475730, 11008741, 12951460, 22017482, 44034964, 55043705, 110087410, 220174820]

約数ペア:

[(1, 220174820), (2, 110087410), (4, 55043705), (5, 44034964), (10, 22017482), (17, 12951460), (20, 11008741), (34, 6475730), (68, 3237865), (85, 2590292), (127, 1733660), (170, 1295146), (254, 866830), (340, 647573), (508, 433415), (635, 346732), (1270, 173366), (2159, 101980), (2540, 86683), (4318, 50990), (5099, 43180), (8636, 25495), (10198, 21590), (10795, 20396)]