978550940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{17657}}^1$

素因数の和:17846

約数の個数: 48

約数和(自身を含む): 2189309472

約数和(自身を除く): 1210758532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1630, 2771, 3260, 5542, 11084, 13855, 17657, 27710, 35314, 55420, 70628, 88285, 176570, 300169, 353140, 600338, 1200676, 1500845, 2878091, 3001690, 5756182, 6003380, 11512364, 14390455, 28780910, 48927547, 57561820, 97855094, 195710188, 244637735, 489275470, 978550940]

約数ペア:

[(1, 978550940), (2, 489275470), (4, 244637735), (5, 195710188), (10, 97855094), (17, 57561820), (20, 48927547), (34, 28780910), (68, 14390455), (85, 11512364), (163, 6003380), (170, 5756182), (326, 3001690), (340, 2878091), (652, 1500845), (815, 1200676), (1630, 600338), (2771, 353140), (3260, 300169), (5542, 176570), (11084, 88285), (13855, 70628), (17657, 55420), (27710, 35314)]