3871820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 8951040

約数和(自身を除く): 5079220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 443, 460, 874, 886, 1748, 1772, 2185, 2215, 4370, 4430, 8417, 8740, 8860, 10189, 16834, 20378, 33668, 40756, 42085, 50945, 84170, 101890, 168340, 193591, 203780, 387182, 774364, 967955, 1935910, 3871820]

約数ペア:

[(1, 3871820), (2, 1935910), (4, 967955), (5, 774364), (10, 387182), (19, 203780), (20, 193591), (23, 168340), (38, 101890), (46, 84170), (76, 50945), (92, 42085), (95, 40756), (115, 33668), (190, 20378), (230, 16834), (380, 10189), (437, 8860), (443, 8740), (460, 8417), (874, 4430), (886, 4370), (1748, 2215), (1772, 2185)]