28502860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{383}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 61012224

約数和(自身を除く): 32509364

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 383, 610, 766, 1220, 1532, 1915, 3721, 3830, 7442, 7660, 14884, 18605, 23363, 37210, 46726, 74420, 93452, 116815, 233630, 467260, 1425143, 2850286, 5700572, 7125715, 14251430, 28502860]

約数ペア:

[(1, 28502860), (2, 14251430), (4, 7125715), (5, 5700572), (10, 2850286), (20, 1425143), (61, 467260), (122, 233630), (244, 116815), (305, 93452), (383, 74420), (610, 46726), (766, 37210), (1220, 23363), (1532, 18605), (1915, 14884), (3721, 7660), (3830, 7442)]