840507860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 1891814400

約数和(自身を除く): 1051306540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 101, 115, 158, 202, 229, 230, 316, 395, 404, 458, 460, 505, 790, 916, 1010, 1145, 1580, 1817, 2020, 2290, 2323, 3634, 4580, 4646, 5267, 7268, 7979, 9085, 9292, 10534, 11615, 15958, 18091, 18170, 21068, 23129, 23230, 26335, 31916, 36182, 36340, 39895, 46258, 46460, 52670, 72364, 79790, 90455, 92516, 105340, 115645, 159580, 180910, 183517, 231290, 361820, 367034, 416093, 462580, 531967, 734068, 832186, 917585, 1063934, 1664372, 1827191, 1835170, 2080465, 2127868, 2659835, 3654382, 3670340, 4160930, 5319670, 7308764, 8321860, 9135955, 10639340, 18271910, 36543820, 42025393, 84050786, 168101572, 210126965, 420253930, 840507860]

約数ペア:

[(1, 840507860), (2, 420253930), (4, 210126965), (5, 168101572), (10, 84050786), (20, 42025393), (23, 36543820), (46, 18271910), (79, 10639340), (92, 9135955), (101, 8321860), (115, 7308764), (158, 5319670), (202, 4160930), (229, 3670340), (230, 3654382), (316, 2659835), (395, 2127868), (404, 2080465), (458, 1835170), (460, 1827191), (505, 1664372), (790, 1063934), (916, 917585), (1010, 832186), (1145, 734068), (1580, 531967), (1817, 462580), (2020, 416093), (2290, 367034), (2323, 361820), (3634, 231290), (4580, 183517), (4646, 180910), (5267, 159580), (7268, 115645), (7979, 105340), (9085, 92516), (9292, 90455), (10534, 79790), (11615, 72364), (15958, 52670), (18091, 46460), (18170, 46258), (21068, 39895), (23129, 36340), (23230, 36182), (26335, 31916)]