520974740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{182159}}^1$

素因数の和:182192

約数の個数: 48

約数和(自身を含む): 1285320960

約数和(自身を除く): 764346220

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 182159, 364318, 728636, 910795, 1821590, 2003749, 2368067, 3643180, 4007498, 4736134, 8014996, 9472268, 10018745, 11840335, 20037490, 23680670, 26048737, 40074980, 47361340, 52097474, 104194948, 130243685, 260487370, 520974740]

約数ペア:

[(1, 520974740), (2, 260487370), (4, 130243685), (5, 104194948), (10, 52097474), (11, 47361340), (13, 40074980), (20, 26048737), (22, 23680670), (26, 20037490), (44, 11840335), (52, 10018745), (55, 9472268), (65, 8014996), (110, 4736134), (130, 4007498), (143, 3643180), (220, 2368067), (260, 2003749), (286, 1821590), (572, 910795), (715, 728636), (1430, 364318), (2860, 182159)]