328996960

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28961}}^1$

素因数の和:29047

約数の個数: 48

約数和(自身を含む): 788229792

約数和(自身を除く): 459232832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 28961, 57922, 115844, 144805, 231688, 289610, 463376, 579220, 926752, 1158440, 2056231, 2316880, 4112462, 4633760, 8224924, 10281155, 16449848, 20562310, 32899696, 41124620, 65799392, 82249240, 164498480, 328996960]

約数ペア:

[(1, 328996960), (2, 164498480), (4, 82249240), (5, 65799392), (8, 41124620), (10, 32899696), (16, 20562310), (20, 16449848), (32, 10281155), (40, 8224924), (71, 4633760), (80, 4112462), (142, 2316880), (160, 2056231), (284, 1158440), (355, 926752), (568, 579220), (710, 463376), (1136, 289610), (1420, 231688), (2272, 144805), (2840, 115844), (5680, 57922), (11360, 28961)]