213649810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 429960960

約数和(自身を除く): 216311150

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 109, 110, 173, 206, 218, 346, 515, 545, 865, 1030, 1090, 1133, 1199, 1730, 1903, 2266, 2398, 3806, 5665, 5995, 9515, 11227, 11330, 11990, 17819, 18857, 19030, 22454, 35638, 37714, 56135, 89095, 94285, 112270, 123497, 178190, 188570, 196009, 207427, 246994, 392018, 414854, 617485, 980045, 1037135, 1234970, 1942271, 1960090, 2074270, 3884542, 9711355, 19422710, 21364981, 42729962, 106824905, 213649810]

約数ペア:

[(1, 213649810), (2, 106824905), (5, 42729962), (10, 21364981), (11, 19422710), (22, 9711355), (55, 3884542), (103, 2074270), (109, 1960090), (110, 1942271), (173, 1234970), (206, 1037135), (218, 980045), (346, 617485), (515, 414854), (545, 392018), (865, 246994), (1030, 207427), (1090, 196009), (1133, 188570), (1199, 178190), (1730, 123497), (1903, 112270), (2266, 94285), (2398, 89095), (3806, 56135), (5665, 37714), (5995, 35638), (9515, 22454), (11227, 19030), (11330, 18857), (11990, 17819)]