25797100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 64683360

約数和(自身を除く): 38886260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 269, 274, 350, 538, 548, 685, 700, 959, 1076, 1345, 1370, 1883, 1918, 2690, 2740, 3425, 3766, 3836, 4795, 5380, 6725, 6850, 7532, 9415, 9590, 13450, 13700, 18830, 19180, 23975, 26900, 36853, 37660, 47075, 47950, 73706, 94150, 95900, 147412, 184265, 188300, 257971, 368530, 515942, 737060, 921325, 1031884, 1289855, 1842650, 2579710, 3685300, 5159420, 6449275, 12898550, 25797100]

約数ペア:

[(1, 25797100), (2, 12898550), (4, 6449275), (5, 5159420), (7, 3685300), (10, 2579710), (14, 1842650), (20, 1289855), (25, 1031884), (28, 921325), (35, 737060), (50, 515942), (70, 368530), (100, 257971), (137, 188300), (140, 184265), (175, 147412), (269, 95900), (274, 94150), (350, 73706), (538, 47950), (548, 47075), (685, 37660), (700, 36853), (959, 26900), (1076, 23975), (1345, 19180), (1370, 18830), (1883, 13700), (1918, 13450), (2690, 9590), (2740, 9415), (3425, 7532), (3766, 6850), (3836, 6725), (4795, 5380)]