2788340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 3562060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 139, 170, 236, 278, 295, 340, 556, 590, 695, 1003, 1180, 1390, 2006, 2363, 2780, 4012, 4726, 5015, 8201, 9452, 10030, 11815, 16402, 20060, 23630, 32804, 41005, 47260, 82010, 139417, 164020, 278834, 557668, 697085, 1394170, 2788340]

約数ペア:

[(1, 2788340), (2, 1394170), (4, 697085), (5, 557668), (10, 278834), (17, 164020), (20, 139417), (34, 82010), (59, 47260), (68, 41005), (85, 32804), (118, 23630), (139, 20060), (170, 16402), (236, 11815), (278, 10030), (295, 9452), (340, 8201), (556, 5015), (590, 4726), (695, 4012), (1003, 2780), (1180, 2363), (1390, 2006)]