1904292005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 3010867200

約数和(自身を除く): 1106575195

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 439, 593, 665, 1045, 1463, 2195, 2965, 3073, 4151, 4829, 6523, 7315, 8341, 11267, 15365, 20755, 24145, 32615, 33803, 41705, 45661, 56335, 58387, 78869, 91751, 123937, 169015, 228305, 260327, 291935, 394345, 458755, 619685, 642257, 867559, 1301635, 1822289, 2863597, 3211285, 4337795, 4946213, 9111445, 14317985, 20045179, 24731065, 34623491, 54408343, 100225895, 173117455, 272041715, 380858401, 1904292005]

約数ペア:

[(1, 1904292005), (5, 380858401), (7, 272041715), (11, 173117455), (19, 100225895), (35, 54408343), (55, 34623491), (77, 24731065), (95, 20045179), (133, 14317985), (209, 9111445), (385, 4946213), (439, 4337795), (593, 3211285), (665, 2863597), (1045, 1822289), (1463, 1301635), (2195, 867559), (2965, 642257), (3073, 619685), (4151, 458755), (4829, 394345), (6523, 291935), (7315, 260327), (8341, 228305), (11267, 169015), (15365, 123937), (20755, 91751), (24145, 78869), (32615, 58387), (33803, 56335), (41705, 45661)]