320820872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 663448320

約数和(自身を除く): 342627448

約数列:

[1, 2, 4, 8, 17, 34, 47, 53, 68, 94, 106, 136, 188, 212, 376, 424, 799, 901, 947, 1598, 1802, 1894, 2491, 3196, 3604, 3788, 4982, 6392, 7208, 7576, 9964, 16099, 19928, 32198, 42347, 44509, 50191, 64396, 84694, 89018, 100382, 128792, 169388, 178036, 200764, 338776, 356072, 401528, 756653, 853247, 1513306, 1706494, 2358977, 3026612, 3412988, 4717954, 6053224, 6825976, 9435908, 18871816, 40102609, 80205218, 160410436, 320820872]

約数ペア:

[(1, 320820872), (2, 160410436), (4, 80205218), (8, 40102609), (17, 18871816), (34, 9435908), (47, 6825976), (53, 6053224), (68, 4717954), (94, 3412988), (106, 3026612), (136, 2358977), (188, 1706494), (212, 1513306), (376, 853247), (424, 756653), (799, 401528), (901, 356072), (947, 338776), (1598, 200764), (1802, 178036), (1894, 169388), (2491, 128792), (3196, 100382), (3604, 89018), (3788, 84694), (4982, 64396), (6392, 50191), (7208, 44509), (7576, 42347), (9964, 32198), (16099, 19928)]