28378900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25799}}^1$

素因数の和:25824

約数の個数: 36

約数和(自身を含む): 67183200

約数和(自身を除く): 38804300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 25799, 51598, 103196, 128995, 257990, 283789, 515980, 567578, 644975, 1135156, 1289950, 1418945, 2579900, 2837890, 5675780, 7094725, 14189450, 28378900]

約数ペア:

[(1, 28378900), (2, 14189450), (4, 7094725), (5, 5675780), (10, 2837890), (11, 2579900), (20, 1418945), (22, 1289950), (25, 1135156), (44, 644975), (50, 567578), (55, 515980), (100, 283789), (110, 257990), (220, 128995), (275, 103196), (550, 51598), (1100, 25799)]