278868130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{5711}}^1$

素因数の和:5994

約数の個数: 32

約数和(自身を含む): 530530560

約数和(自身を除く): 251662430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 257, 514, 1285, 2570, 4883, 5711, 9766, 11422, 24415, 28555, 48830, 57110, 108509, 217018, 542545, 1085090, 1467727, 2935454, 7338635, 14677270, 27886813, 55773626, 139434065, 278868130]

約数ペア:

[(1, 278868130), (2, 139434065), (5, 55773626), (10, 27886813), (19, 14677270), (38, 7338635), (95, 2935454), (190, 1467727), (257, 1085090), (514, 542545), (1285, 217018), (2570, 108509), (4883, 57110), (5711, 48830), (9766, 28555), (11422, 24415)]