2135216980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1\times {\mathrm{1439}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 4869849600

約数和(自身を除く): 2734632620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 439, 676, 845, 878, 1439, 1690, 1756, 2195, 2878, 3380, 4390, 5707, 5756, 7195, 8780, 11414, 14390, 18707, 22828, 28535, 28780, 37414, 57070, 74191, 74828, 93535, 114140, 148382, 187070, 243191, 296764, 370955, 374140, 486382, 631721, 741910, 972764, 1215955, 1263442, 1483820, 2431910, 2526884, 3158605, 4863820, 6317210, 8212373, 12634420, 16424746, 32849492, 41061865, 82123730, 106760849, 164247460, 213521698, 427043396, 533804245, 1067608490, 2135216980]

約数ペア:

[(1, 2135216980), (2, 1067608490), (4, 533804245), (5, 427043396), (10, 213521698), (13, 164247460), (20, 106760849), (26, 82123730), (52, 41061865), (65, 32849492), (130, 16424746), (169, 12634420), (260, 8212373), (338, 6317210), (439, 4863820), (676, 3158605), (845, 2526884), (878, 2431910), (1439, 1483820), (1690, 1263442), (1756, 1215955), (2195, 972764), (2878, 741910), (3380, 631721), (4390, 486382), (5707, 374140), (5756, 370955), (7195, 296764), (8780, 243191), (11414, 187070), (14390, 148382), (18707, 114140), (22828, 93535), (28535, 74828), (28780, 74191), (37414, 57070)]