428188250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{797}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 920215296

約数和(自身を除く): 492027046

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 307, 350, 614, 797, 875, 1535, 1594, 1750, 2149, 3070, 3985, 4298, 5579, 7675, 7970, 10745, 11158, 15350, 19925, 21490, 27895, 38375, 39850, 53725, 55790, 76750, 99625, 107450, 139475, 199250, 244679, 268625, 278950, 489358, 537250, 697375, 1223395, 1394750, 1712753, 2446790, 3425506, 6116975, 8563765, 12233950, 17127530, 30584875, 42818825, 61169750, 85637650, 214094125, 428188250]

約数ペア:

[(1, 428188250), (2, 214094125), (5, 85637650), (7, 61169750), (10, 42818825), (14, 30584875), (25, 17127530), (35, 12233950), (50, 8563765), (70, 6116975), (125, 3425506), (175, 2446790), (250, 1712753), (307, 1394750), (350, 1223395), (614, 697375), (797, 537250), (875, 489358), (1535, 278950), (1594, 268625), (1750, 244679), (2149, 199250), (3070, 139475), (3985, 107450), (4298, 99625), (5579, 76750), (7675, 55790), (7970, 53725), (10745, 39850), (11158, 38375), (15350, 27895), (19925, 21490)]