204228400

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{4957}}^1$

素因数の和:5078

約数の個数: 60

約数和(自身を含む): 495522352

約数和(自身を除く): 291293952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1648, 2060, 2575, 4120, 4957, 5150, 8240, 9914, 10300, 19828, 20600, 24785, 39656, 41200, 49570, 79312, 99140, 123925, 198280, 247850, 396560, 495700, 510571, 991400, 1021142, 1982800, 2042284, 2552855, 4084568, 5105710, 8169136, 10211420, 12764275, 20422840, 25528550, 40845680, 51057100, 102114200, 204228400]

約数ペア:

[(1, 204228400), (2, 102114200), (4, 51057100), (5, 40845680), (8, 25528550), (10, 20422840), (16, 12764275), (20, 10211420), (25, 8169136), (40, 5105710), (50, 4084568), (80, 2552855), (100, 2042284), (103, 1982800), (200, 1021142), (206, 991400), (400, 510571), (412, 495700), (515, 396560), (824, 247850), (1030, 198280), (1648, 123925), (2060, 99140), (2575, 79312), (4120, 49570), (4957, 41200), (5150, 39656), (8240, 24785), (9914, 20600), (10300, 19828)]