197218060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6959}}^1$

素因数の和:7090

約数の個数: 48

約数和(自身を含む): 450172800

約数和(自身を除く): 252954740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 6959, 7085, 13918, 14170, 27836, 28340, 34795, 69590, 90467, 139180, 180934, 361868, 452335, 758531, 904670, 1517062, 1809340, 3034124, 3792655, 7585310, 9860903, 15170620, 19721806, 39443612, 49304515, 98609030, 197218060]

約数ペア:

[(1, 197218060), (2, 98609030), (4, 49304515), (5, 39443612), (10, 19721806), (13, 15170620), (20, 9860903), (26, 7585310), (52, 3792655), (65, 3034124), (109, 1809340), (130, 1517062), (218, 904670), (260, 758531), (436, 452335), (545, 361868), (1090, 180934), (1417, 139180), (2180, 90467), (2834, 69590), (5668, 34795), (6959, 28340), (7085, 27836), (13918, 14170)]