78991850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{839}}^1$

素因数の和:1127

約数の個数: 48

約数和(自身を含む): 168739200

約数和(自身を除く): 89747350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 269, 350, 538, 839, 1345, 1678, 1883, 2690, 3766, 4195, 5873, 6725, 8390, 9415, 11746, 13450, 18830, 20975, 29365, 41950, 47075, 58730, 94150, 146825, 225691, 293650, 451382, 1128455, 1579837, 2256910, 3159674, 5642275, 7899185, 11284550, 15798370, 39495925, 78991850]

約数ペア:

[(1, 78991850), (2, 39495925), (5, 15798370), (7, 11284550), (10, 7899185), (14, 5642275), (25, 3159674), (35, 2256910), (50, 1579837), (70, 1128455), (175, 451382), (269, 293650), (350, 225691), (538, 146825), (839, 94150), (1345, 58730), (1678, 47075), (1883, 41950), (2690, 29365), (3766, 20975), (4195, 18830), (5873, 13450), (6725, 11746), (8390, 9415)]