207978320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{236339}}^1$

素因数の和:236363

約数の個数: 40

約数和(自身を含む): 527510880

約数和(自身を除く): 319532560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 236339, 472678, 945356, 1181695, 1890712, 2363390, 2599729, 3781424, 4726780, 5199458, 9453560, 10398916, 12998645, 18907120, 20797832, 25997290, 41595664, 51994580, 103989160, 207978320]

約数ペア:

[(1, 207978320), (2, 103989160), (4, 51994580), (5, 41595664), (8, 25997290), (10, 20797832), (11, 18907120), (16, 12998645), (20, 10398916), (22, 9453560), (40, 5199458), (44, 4726780), (55, 3781424), (80, 2599729), (88, 2363390), (110, 1890712), (176, 1181695), (220, 945356), (440, 472678), (880, 236339)]