77221450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 148740480

約数和(自身を除く): 71519030

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 139, 205, 271, 278, 410, 542, 695, 1025, 1355, 1390, 2050, 2710, 3475, 5699, 6775, 6950, 11111, 11398, 13550, 22222, 28495, 37669, 55555, 56990, 75338, 111110, 142475, 188345, 277775, 284950, 376690, 555550, 941725, 1544429, 1883450, 3088858, 7722145, 15444290, 38610725, 77221450]

約数ペア:

[(1, 77221450), (2, 38610725), (5, 15444290), (10, 7722145), (25, 3088858), (41, 1883450), (50, 1544429), (82, 941725), (139, 555550), (205, 376690), (271, 284950), (278, 277775), (410, 188345), (542, 142475), (695, 111110), (1025, 75338), (1355, 56990), (1390, 55555), (2050, 37669), (2710, 28495), (3475, 22222), (5699, 13550), (6775, 11398), (6950, 11111)]