387928880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 933877728

約数和(自身を除く): 545948848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 101, 164, 202, 205, 328, 404, 410, 505, 656, 808, 820, 1010, 1171, 1616, 1640, 2020, 2342, 3280, 4040, 4141, 4684, 5855, 8080, 8282, 9368, 11710, 16564, 18736, 20705, 23420, 33128, 41410, 46840, 48011, 66256, 82820, 93680, 96022, 118271, 165640, 192044, 236542, 240055, 331280, 384088, 473084, 480110, 591355, 768176, 946168, 960220, 1182710, 1892336, 1920440, 2365420, 3840880, 4730840, 4849111, 9461680, 9698222, 19396444, 24245555, 38792888, 48491110, 77585776, 96982220, 193964440, 387928880]

約数ペア:

[(1, 387928880), (2, 193964440), (4, 96982220), (5, 77585776), (8, 48491110), (10, 38792888), (16, 24245555), (20, 19396444), (40, 9698222), (41, 9461680), (80, 4849111), (82, 4730840), (101, 3840880), (164, 2365420), (202, 1920440), (205, 1892336), (328, 1182710), (404, 960220), (410, 946168), (505, 768176), (656, 591355), (808, 480110), (820, 473084), (1010, 384088), (1171, 331280), (1616, 240055), (1640, 236542), (2020, 192044), (2342, 165640), (3280, 118271), (4040, 96022), (4141, 93680), (4684, 82820), (5855, 66256), (8080, 48011), (8282, 46840), (9368, 41410), (11710, 33128), (16564, 23420), (18736, 20705)]