219329890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{557}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 430104168

約数和(自身を除く): 210774278

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 233, 338, 466, 557, 845, 1114, 1165, 1690, 2330, 2785, 3029, 5570, 6058, 7241, 14482, 15145, 30290, 36205, 39377, 72410, 78754, 94133, 129781, 188266, 196885, 259562, 393770, 470665, 648905, 941330, 1297810, 1687153, 3374306, 8435765, 16871530, 21932989, 43865978, 109664945, 219329890]

約数ペア:

[(1, 219329890), (2, 109664945), (5, 43865978), (10, 21932989), (13, 16871530), (26, 8435765), (65, 3374306), (130, 1687153), (169, 1297810), (233, 941330), (338, 648905), (466, 470665), (557, 393770), (845, 259562), (1114, 196885), (1165, 188266), (1690, 129781), (2330, 94133), (2785, 78754), (3029, 72410), (5570, 39377), (6058, 36205), (7241, 30290), (14482, 15145)]