251642790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{399433}}^1$

素因数の和:399453

約数の個数: 48

約数和(自身を含む): 747740448

約数和(自身を除く): 496097658

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 399433, 798866, 1198299, 1997165, 2396598, 2796031, 3594897, 3994330, 5592062, 5991495, 7189794, 8388093, 11982990, 13980155, 16776186, 17974485, 25164279, 27960310, 35948970, 41940465, 50328558, 83880930, 125821395, 251642790]

約数ペア:

[(1, 251642790), (2, 125821395), (3, 83880930), (5, 50328558), (6, 41940465), (7, 35948970), (9, 27960310), (10, 25164279), (14, 17974485), (15, 16776186), (18, 13980155), (21, 11982990), (30, 8388093), (35, 7189794), (42, 5991495), (45, 5592062), (63, 3994330), (70, 3594897), (90, 2796031), (105, 2396598), (126, 1997165), (210, 1198299), (315, 798866), (630, 399433)]