189972475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 314979840

約数和(自身を除く): 125007365

約数列:

[1, 5, 7, 11, 25, 29, 35, 41, 55, 77, 83, 145, 175, 203, 205, 275, 287, 319, 385, 415, 451, 581, 725, 913, 1015, 1025, 1189, 1435, 1595, 1925, 2075, 2233, 2255, 2407, 2905, 3157, 3403, 4565, 5075, 5945, 6391, 7175, 7975, 8323, 11165, 11275, 12035, 13079, 14525, 15785, 16849, 17015, 22825, 23821, 26477, 29725, 31955, 37433, 41615, 55825, 60175, 65395, 78925, 84245, 85075, 91553, 98687, 119105, 132385, 159775, 185339, 187165, 208075, 262031, 326975, 421225, 457765, 493435, 595525, 661925, 690809, 926695, 935825, 1085557, 1310155, 2288825, 2467175, 3454045, 4633475, 5427785, 6550775, 7598899, 17270225, 27138925, 37994495, 189972475]

約数ペア:

[(1, 189972475), (5, 37994495), (7, 27138925), (11, 17270225), (25, 7598899), (29, 6550775), (35, 5427785), (41, 4633475), (55, 3454045), (77, 2467175), (83, 2288825), (145, 1310155), (175, 1085557), (203, 935825), (205, 926695), (275, 690809), (287, 661925), (319, 595525), (385, 493435), (415, 457765), (451, 421225), (581, 326975), (725, 262031), (913, 208075), (1015, 187165), (1025, 185339), (1189, 159775), (1435, 132385), (1595, 119105), (1925, 98687), (2075, 91553), (2233, 85075), (2255, 84245), (2407, 78925), (2905, 65395), (3157, 60175), (3403, 55825), (4565, 41615), (5075, 37433), (5945, 31955), (6391, 29725), (7175, 26477), (7975, 23821), (8323, 22825), (11165, 17015), (11275, 16849), (12035, 15785), (13079, 14525)]