516767225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 740577600

約数和(自身を除く): 223810375

約数列:

[1, 5, 13, 19, 25, 53, 65, 95, 247, 265, 325, 475, 689, 1007, 1235, 1325, 1579, 3445, 5035, 6175, 7895, 13091, 17225, 20527, 25175, 30001, 39475, 65455, 83687, 102635, 150005, 327275, 390013, 418435, 513175, 750025, 1087931, 1590053, 1950065, 2092175, 5439655, 7950265, 9750325, 20670689, 27198275, 39751325, 103353445, 516767225]

約数ペア:

[(1, 516767225), (5, 103353445), (13, 39751325), (19, 27198275), (25, 20670689), (53, 9750325), (65, 7950265), (95, 5439655), (247, 2092175), (265, 1950065), (325, 1590053), (475, 1087931), (689, 750025), (1007, 513175), (1235, 418435), (1325, 390013), (1579, 327275), (3445, 150005), (5035, 102635), (6175, 83687), (7895, 65455), (13091, 39475), (17225, 30001), (20527, 25175)]