201457100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 473198880

約数和(自身を除く): 271741780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 353, 439, 650, 706, 878, 1300, 1412, 1756, 1765, 2195, 3530, 4390, 4589, 5707, 7060, 8780, 8825, 9178, 10975, 11414, 17650, 18356, 21950, 22828, 22945, 28535, 35300, 43900, 45890, 57070, 91780, 114140, 114725, 142675, 154967, 229450, 285350, 309934, 458900, 570700, 619868, 774835, 1549670, 2014571, 3099340, 3874175, 4029142, 7748350, 8058284, 10072855, 15496700, 20145710, 40291420, 50364275, 100728550, 201457100]

約数ペア:

[(1, 201457100), (2, 100728550), (4, 50364275), (5, 40291420), (10, 20145710), (13, 15496700), (20, 10072855), (25, 8058284), (26, 7748350), (50, 4029142), (52, 3874175), (65, 3099340), (100, 2014571), (130, 1549670), (260, 774835), (325, 619868), (353, 570700), (439, 458900), (650, 309934), (706, 285350), (878, 229450), (1300, 154967), (1412, 142675), (1756, 114725), (1765, 114140), (2195, 91780), (3530, 57070), (4390, 45890), (4589, 43900), (5707, 35300), (7060, 28535), (8780, 22945), (8825, 22828), (9178, 21950), (10975, 18356), (11414, 17650)]