1639004470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{15493}}^1$

素因数の和:15720

約数の個数: 32

約数和(自身を含む): 3012033600

約数和(自身を除く): 1373029130

約数列:

[1, 2, 5, 10, 71, 142, 149, 298, 355, 710, 745, 1490, 10579, 15493, 21158, 30986, 52895, 77465, 105790, 154930, 1100003, 2200006, 2308457, 4616914, 5500015, 11000030, 11542285, 23084570, 163900447, 327800894, 819502235, 1639004470]

約数ペア:

[(1, 1639004470), (2, 819502235), (5, 327800894), (10, 163900447), (71, 23084570), (142, 11542285), (149, 11000030), (298, 5500015), (355, 4616914), (710, 2308457), (745, 2200006), (1490, 1100003), (10579, 154930), (15493, 105790), (21158, 77465), (30986, 52895)]