221170060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1523}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 476987616

約数和(自身を除く): 255817556

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 212, 265, 274, 530, 548, 685, 1060, 1370, 1523, 2740, 3046, 6092, 7261, 7615, 14522, 15230, 29044, 30460, 36305, 72610, 80719, 145220, 161438, 208651, 322876, 403595, 417302, 807190, 834604, 1043255, 1614380, 2086510, 4173020, 11058503, 22117006, 44234012, 55292515, 110585030, 221170060]

約数ペア:

[(1, 221170060), (2, 110585030), (4, 55292515), (5, 44234012), (10, 22117006), (20, 11058503), (53, 4173020), (106, 2086510), (137, 1614380), (212, 1043255), (265, 834604), (274, 807190), (530, 417302), (548, 403595), (685, 322876), (1060, 208651), (1370, 161438), (1523, 145220), (2740, 80719), (3046, 72610), (6092, 36305), (7261, 30460), (7615, 29044), (14522, 15230)]