8459180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 10501300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 197, 226, 380, 394, 452, 565, 788, 985, 1130, 1970, 2147, 2260, 3743, 3940, 4294, 7486, 8588, 10735, 14972, 18715, 21470, 22261, 37430, 42940, 44522, 74860, 89044, 111305, 222610, 422959, 445220, 845918, 1691836, 2114795, 4229590, 8459180]

約数ペア:

[(1, 8459180), (2, 4229590), (4, 2114795), (5, 1691836), (10, 845918), (19, 445220), (20, 422959), (38, 222610), (76, 111305), (95, 89044), (113, 74860), (190, 44522), (197, 42940), (226, 37430), (380, 22261), (394, 21470), (452, 18715), (565, 14972), (788, 10735), (985, 8588), (1130, 7486), (1970, 4294), (2147, 3940), (2260, 3743)]