291298975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 418366080

約数和(自身を除く): 127067105

約数列:

[1, 5, 11, 19, 25, 55, 95, 197, 209, 275, 283, 475, 985, 1045, 1415, 2167, 3113, 3743, 4925, 5225, 5377, 7075, 10835, 15565, 18715, 26885, 41173, 54175, 55751, 59147, 77825, 93575, 134425, 205865, 278755, 295735, 613261, 1029325, 1059269, 1393775, 1478675, 3066305, 5296345, 11651959, 15331525, 26481725, 58259795, 291298975]

約数ペア:

[(1, 291298975), (5, 58259795), (11, 26481725), (19, 15331525), (25, 11651959), (55, 5296345), (95, 3066305), (197, 1478675), (209, 1393775), (275, 1059269), (283, 1029325), (475, 613261), (985, 295735), (1045, 278755), (1415, 205865), (2167, 134425), (3113, 93575), (3743, 77825), (4925, 59147), (5225, 55751), (5377, 54175), (7075, 41173), (10835, 26885), (15565, 18715)]