261882650

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 496212288

約数和(自身を除く): 234329638

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 211, 241, 422, 482, 515, 1030, 1055, 1205, 2110, 2410, 2575, 5150, 5275, 6025, 10550, 12050, 21733, 24823, 43466, 49646, 50851, 101702, 108665, 124115, 217330, 248230, 254255, 508510, 543325, 620575, 1086650, 1241150, 1271275, 2542550, 5237653, 10475306, 26188265, 52376530, 130941325, 261882650]

約数ペア:

[(1, 261882650), (2, 130941325), (5, 52376530), (10, 26188265), (25, 10475306), (50, 5237653), (103, 2542550), (206, 1271275), (211, 1241150), (241, 1086650), (422, 620575), (482, 543325), (515, 508510), (1030, 254255), (1055, 248230), (1205, 217330), (2110, 124115), (2410, 108665), (2575, 101702), (5150, 50851), (5275, 49646), (6025, 43466), (10550, 24823), (12050, 21733)]