202021015

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 298460160

約数和(自身を除く): 96439145

約数列:

[1, 5, 7, 19, 35, 59, 95, 133, 271, 295, 361, 413, 665, 1121, 1355, 1805, 1897, 2065, 2527, 5149, 5605, 7847, 9485, 12635, 15989, 21299, 25745, 36043, 39235, 79945, 97831, 106495, 111923, 149093, 180215, 303791, 489155, 559615, 684817, 745465, 1518955, 2126537, 3424085, 5772029, 10632685, 28860145, 40404203, 202021015]

約数ペア:

[(1, 202021015), (5, 40404203), (7, 28860145), (19, 10632685), (35, 5772029), (59, 3424085), (95, 2126537), (133, 1518955), (271, 745465), (295, 684817), (361, 559615), (413, 489155), (665, 303791), (1121, 180215), (1355, 149093), (1805, 111923), (1897, 106495), (2065, 97831), (2527, 79945), (5149, 39235), (5605, 36043), (7847, 25745), (9485, 21299), (12635, 15989)]