249861520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{30323}}^1$

素因数の和:30439

約数の個数: 40

約数和(自身を含む): 586587456

約数和(自身を除く): 336725936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 30323, 60646, 121292, 151615, 242584, 303230, 485168, 606460, 1212920, 2425840, 3123269, 6246538, 12493076, 15616345, 24986152, 31232690, 49972304, 62465380, 124930760, 249861520]

約数ペア:

[(1, 249861520), (2, 124930760), (4, 62465380), (5, 49972304), (8, 31232690), (10, 24986152), (16, 15616345), (20, 12493076), (40, 6246538), (80, 3123269), (103, 2425840), (206, 1212920), (412, 606460), (515, 485168), (824, 303230), (1030, 242584), (1648, 151615), (2060, 121292), (4120, 60646), (8240, 30323)]