965779940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{2017}}^1$

素因数の和:2384

約数の個数: 48

約数和(自身を含む): 2059570800

約数和(自身を除く): 1093790860

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 269, 356, 445, 538, 890, 1076, 1345, 1780, 2017, 2690, 4034, 5380, 8068, 10085, 20170, 23941, 40340, 47882, 95764, 119705, 179513, 239410, 359026, 478820, 542573, 718052, 897565, 1085146, 1795130, 2170292, 2712865, 3590260, 5425730, 10851460, 48288997, 96577994, 193155988, 241444985, 482889970, 965779940]

約数ペア:

[(1, 965779940), (2, 482889970), (4, 241444985), (5, 193155988), (10, 96577994), (20, 48288997), (89, 10851460), (178, 5425730), (269, 3590260), (356, 2712865), (445, 2170292), (538, 1795130), (890, 1085146), (1076, 897565), (1345, 718052), (1780, 542573), (2017, 478820), (2690, 359026), (4034, 239410), (5380, 179513), (8068, 119705), (10085, 95764), (20170, 47882), (23941, 40340)]