51405970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 116681472

約数和(自身を除く): 65275502

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 154, 202, 385, 505, 661, 707, 770, 1010, 1111, 1322, 1414, 2222, 3305, 3535, 4627, 5555, 6610, 7070, 7271, 7777, 9254, 11110, 14542, 15554, 23135, 36355, 38885, 46270, 50897, 66761, 72710, 77770, 101794, 133522, 254485, 333805, 467327, 508970, 667610, 734371, 934654, 1468742, 2336635, 3671855, 4673270, 5140597, 7343710, 10281194, 25702985, 51405970]

約数ペア:

[(1, 51405970), (2, 25702985), (5, 10281194), (7, 7343710), (10, 5140597), (11, 4673270), (14, 3671855), (22, 2336635), (35, 1468742), (55, 934654), (70, 734371), (77, 667610), (101, 508970), (110, 467327), (154, 333805), (202, 254485), (385, 133522), (505, 101794), (661, 77770), (707, 72710), (770, 66761), (1010, 50897), (1111, 46270), (1322, 38885), (1414, 36355), (2222, 23135), (3305, 15554), (3535, 14542), (4627, 11110), (5555, 9254), (6610, 7777), (7070, 7271)]