251117440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{56053}}^1$

素因数の和:56079

約数の個数: 64

約数和(自身を含む): 686100960

約数和(自身を除く): 434983520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 56053, 112106, 224212, 280265, 392371, 448424, 560530, 784742, 896848, 1121060, 1569484, 1793696, 1961855, 2242120, 3138968, 3587392, 3923710, 4484240, 6277936, 7174784, 7847420, 8968480, 12555872, 15694840, 17936960, 25111744, 31389680, 35873920, 50223488, 62779360, 125558720, 251117440]

約数ペア:

[(1, 251117440), (2, 125558720), (4, 62779360), (5, 50223488), (7, 35873920), (8, 31389680), (10, 25111744), (14, 17936960), (16, 15694840), (20, 12555872), (28, 8968480), (32, 7847420), (35, 7174784), (40, 6277936), (56, 4484240), (64, 3923710), (70, 3587392), (80, 3138968), (112, 2242120), (128, 1961855), (140, 1793696), (160, 1569484), (224, 1121060), (280, 896848), (320, 784742), (448, 560530), (560, 448424), (640, 392371), (896, 280265), (1120, 224212), (2240, 112106), (4480, 56053)]