1878201325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6823}}^1$

素因数の和:6875

約数の個数: 72

約数和(自身を含む): 3151159424

約数和(自身を除く): 1272958099

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 121, 143, 175, 275, 325, 385, 455, 605, 715, 847, 1001, 1573, 1925, 2275, 3025, 3575, 4235, 5005, 6823, 7865, 11011, 21175, 25025, 34115, 39325, 47761, 55055, 75053, 88699, 170575, 238805, 275275, 375265, 443495, 525371, 620893, 825583, 975689, 1194025, 1876325, 2217475, 2626855, 3104465, 4127915, 4878445, 5779081, 6829823, 10732579, 13134275, 15522325, 20639575, 24392225, 28895405, 34149115, 53662895, 75128053, 144477025, 170745575, 268314475, 375640265, 1878201325]

約数ペア:

[(1, 1878201325), (5, 375640265), (7, 268314475), (11, 170745575), (13, 144477025), (25, 75128053), (35, 53662895), (55, 34149115), (65, 28895405), (77, 24392225), (91, 20639575), (121, 15522325), (143, 13134275), (175, 10732579), (275, 6829823), (325, 5779081), (385, 4878445), (455, 4127915), (605, 3104465), (715, 2626855), (847, 2217475), (1001, 1876325), (1573, 1194025), (1925, 975689), (2275, 825583), (3025, 620893), (3575, 525371), (4235, 443495), (5005, 375265), (6823, 275275), (7865, 238805), (11011, 170575), (21175, 88699), (25025, 75053), (34115, 55055), (39325, 47761)]