28924270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29136530

約数列:

[1, 2, 5, 10, 19, 38, 41, 47, 79, 82, 94, 95, 158, 190, 205, 235, 395, 410, 470, 779, 790, 893, 1501, 1558, 1786, 1927, 3002, 3239, 3713, 3854, 3895, 4465, 6478, 7426, 7505, 7790, 8930, 9635, 15010, 16195, 18565, 19270, 32390, 36613, 37130, 61541, 70547, 73226, 123082, 141094, 152233, 183065, 304466, 307705, 352735, 366130, 615410, 705470, 761165, 1522330, 2892427, 5784854, 14462135, 28924270]

約数ペア:

[(1, 28924270), (2, 14462135), (5, 5784854), (10, 2892427), (19, 1522330), (38, 761165), (41, 705470), (47, 615410), (79, 366130), (82, 352735), (94, 307705), (95, 304466), (158, 183065), (190, 152233), (205, 141094), (235, 123082), (395, 73226), (410, 70547), (470, 61541), (779, 37130), (790, 36613), (893, 32390), (1501, 19270), (1558, 18565), (1786, 16195), (1927, 15010), (3002, 9635), (3239, 8930), (3713, 7790), (3854, 7505), (3895, 7426), (4465, 6478)]