71951140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 160683264

約数和(自身を除く): 88732124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 431, 491, 862, 982, 1724, 1964, 2155, 2455, 4310, 4910, 7327, 8347, 8620, 9820, 14654, 16694, 29308, 33388, 36635, 41735, 73270, 83470, 146540, 166940, 211621, 423242, 846484, 1058105, 2116210, 3597557, 4232420, 7195114, 14390228, 17987785, 35975570, 71951140]

約数ペア:

[(1, 71951140), (2, 35975570), (4, 17987785), (5, 14390228), (10, 7195114), (17, 4232420), (20, 3597557), (34, 2116210), (68, 1058105), (85, 846484), (170, 423242), (340, 211621), (431, 166940), (491, 146540), (862, 83470), (982, 73270), (1724, 41735), (1964, 36635), (2155, 33388), (2455, 29308), (4310, 16694), (4910, 14654), (7327, 9820), (8347, 8620)]