28048900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 68058144

約数和(自身を除く): 40009244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 430, 473, 550, 593, 860, 946, 1075, 1100, 1186, 1892, 2150, 2365, 2372, 2965, 4300, 4730, 5930, 6523, 9460, 11825, 11860, 13046, 14825, 23650, 25499, 26092, 29650, 32615, 47300, 50998, 59300, 65230, 101996, 127495, 130460, 163075, 254990, 280489, 326150, 509980, 560978, 637475, 652300, 1121956, 1274950, 1402445, 2549900, 2804890, 5609780, 7012225, 14024450, 28048900]

約数ペア:

[(1, 28048900), (2, 14024450), (4, 7012225), (5, 5609780), (10, 2804890), (11, 2549900), (20, 1402445), (22, 1274950), (25, 1121956), (43, 652300), (44, 637475), (50, 560978), (55, 509980), (86, 326150), (100, 280489), (110, 254990), (172, 163075), (215, 130460), (220, 127495), (275, 101996), (430, 65230), (473, 59300), (550, 50998), (593, 47300), (860, 32615), (946, 29650), (1075, 26092), (1100, 25499), (1186, 23650), (1892, 14825), (2150, 13046), (2365, 11860), (2372, 11825), (2965, 9460), (4300, 6523), (4730, 5930)]