273299720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{220403}}^1$

素因数の和:220445

約数の個数: 32

約数和(自身を含む): 634763520

約数和(自身を除く): 361463800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 220403, 440806, 881612, 1102015, 1763224, 2204030, 4408060, 6832493, 8816120, 13664986, 27329972, 34162465, 54659944, 68324930, 136649860, 273299720]

約数ペア:

[(1, 273299720), (2, 136649860), (4, 68324930), (5, 54659944), (8, 34162465), (10, 27329972), (20, 13664986), (31, 8816120), (40, 6832493), (62, 4408060), (124, 2204030), (155, 1763224), (248, 1102015), (310, 881612), (620, 440806), (1240, 220403)]