42141980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 98407008

約数和(自身を除く): 56265028

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 289, 317, 340, 391, 460, 578, 634, 782, 1156, 1268, 1445, 1564, 1585, 1955, 2890, 3170, 3910, 5389, 5780, 6340, 6647, 7291, 7820, 10778, 13294, 14582, 21556, 26588, 26945, 29164, 33235, 36455, 53890, 66470, 72910, 91613, 107780, 123947, 132940, 145820, 183226, 247894, 366452, 458065, 495788, 619735, 916130, 1239470, 1832260, 2107099, 2478940, 4214198, 8428396, 10535495, 21070990, 42141980]

約数ペア:

[(1, 42141980), (2, 21070990), (4, 10535495), (5, 8428396), (10, 4214198), (17, 2478940), (20, 2107099), (23, 1832260), (34, 1239470), (46, 916130), (68, 619735), (85, 495788), (92, 458065), (115, 366452), (170, 247894), (230, 183226), (289, 145820), (317, 132940), (340, 123947), (391, 107780), (460, 91613), (578, 72910), (634, 66470), (782, 53890), (1156, 36455), (1268, 33235), (1445, 29164), (1564, 26945), (1585, 26588), (1955, 21556), (2890, 14582), (3170, 13294), (3910, 10778), (5389, 7820), (5780, 7291), (6340, 6647)]