518193130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{81349}}^1$

素因数の和:81383

約数の個数: 48

約数和(自身を含む): 1168511400

約数和(自身を除く): 650318270

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 81349, 162698, 406745, 569443, 813490, 1057537, 1138886, 2115074, 2847215, 3986101, 5287685, 5694430, 7402759, 7972202, 10575370, 14805518, 19930505, 37013795, 39861010, 51819313, 74027590, 103638626, 259096565, 518193130]

約数ペア:

[(1, 518193130), (2, 259096565), (5, 103638626), (7, 74027590), (10, 51819313), (13, 39861010), (14, 37013795), (26, 19930505), (35, 14805518), (49, 10575370), (65, 7972202), (70, 7402759), (91, 5694430), (98, 5287685), (130, 3986101), (182, 2847215), (245, 2115074), (455, 1138886), (490, 1057537), (637, 813490), (910, 569443), (1274, 406745), (3185, 162698), (6370, 81349)]