28396220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 62264160

約数和(自身を除く): 33867940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 173, 283, 290, 346, 566, 580, 692, 865, 1132, 1415, 1730, 2830, 3460, 5017, 5660, 8207, 10034, 16414, 20068, 25085, 32828, 41035, 48959, 50170, 82070, 97918, 100340, 164140, 195836, 244795, 489590, 979180, 1419811, 2839622, 5679244, 7099055, 14198110, 28396220]

約数ペア:

[(1, 28396220), (2, 14198110), (4, 7099055), (5, 5679244), (10, 2839622), (20, 1419811), (29, 979180), (58, 489590), (116, 244795), (145, 195836), (173, 164140), (283, 100340), (290, 97918), (346, 82070), (566, 50170), (580, 48959), (692, 41035), (865, 32828), (1132, 25085), (1415, 20068), (1730, 16414), (2830, 10034), (3460, 8207), (5017, 5660)]