2270905

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 3677184

約数和(自身を除く): 1406279

約数列:

[1, 5, 7, 13, 23, 31, 35, 49, 65, 91, 115, 155, 161, 217, 245, 299, 403, 455, 637, 713, 805, 1085, 1127, 1495, 1519, 2015, 2093, 2821, 3185, 3565, 4991, 5635, 7595, 9269, 10465, 14105, 14651, 19747, 24955, 34937, 46345, 64883, 73255, 98735, 174685, 324415, 454181, 2270905]

約数ペア:

[(1, 2270905), (5, 454181), (7, 324415), (13, 174685), (23, 98735), (31, 73255), (35, 64883), (49, 46345), (65, 34937), (91, 24955), (115, 19747), (155, 14651), (161, 14105), (217, 10465), (245, 9269), (299, 7595), (403, 5635), (455, 4991), (637, 3565), (713, 3185), (805, 2821), (1085, 2093), (1127, 2015), (1495, 1519)]