131776460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{593}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 285005952

約数和(自身を除く): 153229492

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 271, 410, 542, 593, 820, 1084, 1186, 1355, 2372, 2710, 2965, 5420, 5930, 11111, 11860, 22222, 24313, 44444, 48626, 55555, 97252, 111110, 121565, 160703, 222220, 243130, 321406, 486260, 642812, 803515, 1607030, 3214060, 6588823, 13177646, 26355292, 32944115, 65888230, 131776460]

約数ペア:

[(1, 131776460), (2, 65888230), (4, 32944115), (5, 26355292), (10, 13177646), (20, 6588823), (41, 3214060), (82, 1607030), (164, 803515), (205, 642812), (271, 486260), (410, 321406), (542, 243130), (593, 222220), (820, 160703), (1084, 121565), (1186, 111110), (1355, 97252), (2372, 55555), (2710, 48626), (2965, 44444), (5420, 24313), (5930, 22222), (11111, 11860)]