30980885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 45151344

約数和(自身を除く): 14170459

約数列:

[1, 5, 13, 17, 23, 53, 65, 85, 115, 221, 265, 299, 391, 529, 689, 901, 1105, 1219, 1495, 1955, 2645, 3445, 4505, 5083, 6095, 6877, 8993, 11713, 15847, 20723, 25415, 28037, 34385, 44965, 58565, 79235, 103615, 116909, 140185, 269399, 364481, 476629, 584545, 1346995, 1822405, 2383145, 6196177, 30980885]

約数ペア:

[(1, 30980885), (5, 6196177), (13, 2383145), (17, 1822405), (23, 1346995), (53, 584545), (65, 476629), (85, 364481), (115, 269399), (221, 140185), (265, 116909), (299, 103615), (391, 79235), (529, 58565), (689, 44965), (901, 34385), (1105, 28037), (1219, 25415), (1495, 20723), (1955, 15847), (2645, 11713), (3445, 8993), (4505, 6877), (5083, 6095)]