780350128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{2089}}^1$

素因数の和:2765

約数の個数: 40

約数和(自身を含む): 1555996640

約数和(自身を除く): 775646512

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 631, 1262, 2089, 2524, 4178, 5048, 8356, 10096, 16712, 23347, 33424, 46694, 77293, 93388, 154586, 186776, 309172, 373552, 618344, 1236688, 1318159, 2636318, 5272636, 10545272, 21090544, 48771883, 97543766, 195087532, 390175064, 780350128]

約数ペア:

[(1, 780350128), (2, 390175064), (4, 195087532), (8, 97543766), (16, 48771883), (37, 21090544), (74, 10545272), (148, 5272636), (296, 2636318), (592, 1318159), (631, 1236688), (1262, 618344), (2089, 373552), (2524, 309172), (4178, 186776), (5048, 154586), (8356, 93388), (10096, 77293), (16712, 46694), (23347, 33424)]