1970676520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 4478184000

約数和(自身を除く): 2507507480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 409, 652, 739, 815, 818, 1304, 1478, 1630, 1636, 2045, 2956, 3260, 3272, 3695, 4090, 5912, 6520, 7390, 8180, 14780, 16360, 29560, 66667, 120457, 133334, 240914, 266668, 302251, 333335, 481828, 533336, 602285, 604502, 666670, 963656, 1204570, 1209004, 1333340, 1511255, 2409140, 2418008, 2666680, 3022510, 4818280, 6045020, 12090040, 49266913, 98533826, 197067652, 246334565, 394135304, 492669130, 985338260, 1970676520]

約数ペア:

[(1, 1970676520), (2, 985338260), (4, 492669130), (5, 394135304), (8, 246334565), (10, 197067652), (20, 98533826), (40, 49266913), (163, 12090040), (326, 6045020), (409, 4818280), (652, 3022510), (739, 2666680), (815, 2418008), (818, 2409140), (1304, 1511255), (1478, 1333340), (1630, 1209004), (1636, 1204570), (2045, 963656), (2956, 666670), (3260, 604502), (3272, 602285), (3695, 533336), (4090, 481828), (5912, 333335), (6520, 302251), (7390, 266668), (8180, 240914), (14780, 133334), (16360, 120457), (29560, 66667)]