207928220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5897}}^1$

素因数の和:5990

約数の個数: 48

約数和(自身を含む): 457779168

約数和(自身を除く): 249850948

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 5897, 7052, 8815, 11794, 17630, 23588, 29485, 35260, 58970, 117940, 241777, 253571, 483554, 507142, 967108, 1014284, 1208885, 1267855, 2417770, 2535710, 4835540, 5071420, 10396411, 20792822, 41585644, 51982055, 103964110, 207928220]

約数ペア:

[(1, 207928220), (2, 103964110), (4, 51982055), (5, 41585644), (10, 20792822), (20, 10396411), (41, 5071420), (43, 4835540), (82, 2535710), (86, 2417770), (164, 1267855), (172, 1208885), (205, 1014284), (215, 967108), (410, 507142), (430, 483554), (820, 253571), (860, 241777), (1763, 117940), (3526, 58970), (5897, 35260), (7052, 29485), (8815, 23588), (11794, 17630)]