87138800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31121}}^1$

素因数の和:31146

約数の個数: 60

約数和(自身を含む): 239265936

約数和(自身を除く): 152127136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 31121, 62242, 124484, 155605, 217847, 248968, 311210, 435694, 497936, 622420, 778025, 871388, 1089235, 1244840, 1556050, 1742776, 2178470, 2489680, 3112100, 3485552, 4356940, 5446175, 6224200, 8713880, 10892350, 12448400, 17427760, 21784700, 43569400, 87138800]

約数ペア:

[(1, 87138800), (2, 43569400), (4, 21784700), (5, 17427760), (7, 12448400), (8, 10892350), (10, 8713880), (14, 6224200), (16, 5446175), (20, 4356940), (25, 3485552), (28, 3112100), (35, 2489680), (40, 2178470), (50, 1742776), (56, 1556050), (70, 1244840), (80, 1089235), (100, 871388), (112, 778025), (140, 622420), (175, 497936), (200, 435694), (280, 311210), (350, 248968), (400, 217847), (560, 155605), (700, 124484), (1400, 62242), (2800, 31121)]