1900891005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22307}}^1$

素因数の和:22370

約数の個数: 64

約数和(自身を含む): 3597834240

約数和(自身を除く): 1696943235

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 247, 285, 299, 345, 437, 741, 897, 1235, 1311, 1495, 2185, 3705, 4485, 5681, 6555, 17043, 22307, 28405, 66921, 85215, 111535, 289991, 334605, 423833, 513061, 869973, 1271499, 1449955, 1539183, 2119165, 2565305, 4349865, 5509829, 6357495, 6669793, 7695915, 9748159, 16529487, 20009379, 27549145, 29244477, 33348965, 48740795, 82647435, 100046895, 126726067, 146222385, 380178201, 633630335, 1900891005]

約数ペア:

[(1, 1900891005), (3, 633630335), (5, 380178201), (13, 146222385), (15, 126726067), (19, 100046895), (23, 82647435), (39, 48740795), (57, 33348965), (65, 29244477), (69, 27549145), (95, 20009379), (115, 16529487), (195, 9748159), (247, 7695915), (285, 6669793), (299, 6357495), (345, 5509829), (437, 4349865), (741, 2565305), (897, 2119165), (1235, 1539183), (1311, 1449955), (1495, 1271499), (2185, 869973), (3705, 513061), (4485, 423833), (5681, 334605), (6555, 289991), (17043, 111535), (22307, 85215), (28405, 66921)]