285440990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{1753}}^1$

素因数の和:2636

約数の個数: 32

約数和(自身を含む): 541775520

約数和(自身を除く): 256334530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 857, 1714, 1753, 3506, 4285, 8570, 8765, 16283, 17530, 32566, 33307, 66614, 81415, 162830, 166535, 333070, 1502321, 3004642, 7511605, 15023210, 28544099, 57088198, 142720495, 285440990]

約数ペア:

[(1, 285440990), (2, 142720495), (5, 57088198), (10, 28544099), (19, 15023210), (38, 7511605), (95, 3004642), (190, 1502321), (857, 333070), (1714, 166535), (1753, 162830), (3506, 81415), (4285, 66614), (8570, 33307), (8765, 32566), (16283, 17530)]