3958460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 9555840

約数和(自身を除く): 5597380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 947, 1045, 1894, 2090, 3788, 4180, 4735, 9470, 10417, 17993, 18940, 20834, 35986, 41668, 52085, 71972, 89965, 104170, 179930, 197923, 208340, 359860, 395846, 791692, 989615, 1979230, 3958460]

約数ペア:

[(1, 3958460), (2, 1979230), (4, 989615), (5, 791692), (10, 395846), (11, 359860), (19, 208340), (20, 197923), (22, 179930), (38, 104170), (44, 89965), (55, 71972), (76, 52085), (95, 41668), (110, 35986), (190, 20834), (209, 18940), (220, 17993), (380, 10417), (418, 9470), (836, 4735), (947, 4180), (1045, 3788), (1894, 2090)]