1884817100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 108

約数和(自身を含む): 4365345600

約数和(自身を除く): 2480528500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 361, 380, 436, 475, 479, 545, 722, 950, 958, 1090, 1444, 1805, 1900, 1916, 2071, 2180, 2395, 2725, 3610, 4142, 4790, 5450, 7220, 8284, 9025, 9101, 9580, 10355, 10900, 11975, 18050, 18202, 20710, 23950, 36100, 36404, 39349, 41420, 45505, 47900, 51775, 52211, 78698, 91010, 103550, 104422, 157396, 172919, 182020, 196745, 207100, 208844, 227525, 261055, 345838, 393490, 455050, 522110, 691676, 786980, 864595, 910100, 983725, 992009, 1044220, 1305275, 1729190, 1967450, 1984018, 2610550, 3458380, 3934900, 3968036, 4322975, 4960045, 5221100, 8645950, 9920090, 17291900, 18848171, 19840180, 24800225, 37696342, 49600450, 75392684, 94240855, 99200900, 188481710, 376963420, 471204275, 942408550, 1884817100]

約数ペア:

[(1, 1884817100), (2, 942408550), (4, 471204275), (5, 376963420), (10, 188481710), (19, 99200900), (20, 94240855), (25, 75392684), (38, 49600450), (50, 37696342), (76, 24800225), (95, 19840180), (100, 18848171), (109, 17291900), (190, 9920090), (218, 8645950), (361, 5221100), (380, 4960045), (436, 4322975), (475, 3968036), (479, 3934900), (545, 3458380), (722, 2610550), (950, 1984018), (958, 1967450), (1090, 1729190), (1444, 1305275), (1805, 1044220), (1900, 992009), (1916, 983725), (2071, 910100), (2180, 864595), (2395, 786980), (2725, 691676), (3610, 522110), (4142, 455050), (4790, 393490), (5450, 345838), (7220, 261055), (8284, 227525), (9025, 208844), (9101, 207100), (9580, 196745), (10355, 182020), (10900, 172919), (11975, 157396), (18050, 104422), (18202, 103550), (20710, 91010), (23950, 78698), (36100, 52211), (36404, 51775), (39349, 47900), (41420, 45505)]