2783303540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197959}}^1$

素因数の和:198024

約数の個数: 48

約数和(自身を含む): 6318883200

約数和(自身を除く): 3535579660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 197959, 395918, 791836, 989795, 1979590, 3761221, 3959180, 7324483, 7522442, 14648966, 15044884, 18806105, 29297932, 36622415, 37612210, 73244830, 75224420, 139165177, 146489660, 278330354, 556660708, 695825885, 1391651770, 2783303540]

約数ペア:

[(1, 2783303540), (2, 1391651770), (4, 695825885), (5, 556660708), (10, 278330354), (19, 146489660), (20, 139165177), (37, 75224420), (38, 73244830), (74, 37612210), (76, 36622415), (95, 29297932), (148, 18806105), (185, 15044884), (190, 14648966), (370, 7522442), (380, 7324483), (703, 3959180), (740, 3761221), (1406, 1979590), (2812, 989795), (3515, 791836), (7030, 395918), (14060, 197959)]