28680400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{10243}}^1$

素因数の和:10268

約数の個数: 60

約数和(自身を含む): 78755872

約数和(自身を除く): 50075472

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, 10243, 20486, 40972, 51215, 71701, 81944, 102430, 143402, 163888, 204860, 256075, 286804, 358505, 409720, 512150, 573608, 717010, 819440, 1024300, 1147216, 1434020, 1792525, 2048600, 2868040, 3585050, 4097200, 5736080, 7170100, 14340200, 28680400]

約数ペア:

[(1, 28680400), (2, 14340200), (4, 7170100), (5, 5736080), (7, 4097200), (8, 3585050), (10, 2868040), (14, 2048600), (16, 1792525), (20, 1434020), (25, 1147216), (28, 1024300), (35, 819440), (40, 717010), (50, 573608), (56, 512150), (70, 409720), (80, 358505), (100, 286804), (112, 256075), (140, 204860), (175, 163888), (200, 143402), (280, 102430), (350, 81944), (400, 71701), (560, 51215), (700, 40972), (1400, 20486), (2800, 10243)]