1687789780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1\times {\mathrm{3389}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 3646636560

約数和(自身を除く): 1958846780

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 673, 740, 1346, 2692, 3365, 3389, 6730, 6778, 13460, 13556, 16945, 24901, 33890, 49802, 67780, 99604, 124505, 125393, 249010, 250786, 498020, 501572, 626965, 1253930, 2280797, 2507860, 4561594, 9123188, 11403985, 22807970, 45615940, 84389489, 168778978, 337557956, 421947445, 843894890, 1687789780]

約数ペア:

[(1, 1687789780), (2, 843894890), (4, 421947445), (5, 337557956), (10, 168778978), (20, 84389489), (37, 45615940), (74, 22807970), (148, 11403985), (185, 9123188), (370, 4561594), (673, 2507860), (740, 2280797), (1346, 1253930), (2692, 626965), (3365, 501572), (3389, 498020), (6730, 250786), (6778, 249010), (13460, 125393), (13556, 124505), (16945, 99604), (24901, 67780), (33890, 49802)]