217773325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 359976960

約数和(自身を除く): 142203635

約数列:

[1, 5, 7, 11, 25, 29, 35, 47, 55, 77, 83, 145, 175, 203, 235, 275, 319, 329, 385, 415, 517, 581, 725, 913, 1015, 1175, 1363, 1595, 1645, 1925, 2075, 2233, 2407, 2585, 2905, 3619, 3901, 4565, 5075, 6391, 6815, 7975, 8225, 9541, 11165, 12035, 12925, 14525, 14993, 16849, 18095, 19505, 22825, 26477, 27307, 31955, 34075, 42911, 47705, 55825, 60175, 74965, 84245, 90475, 97525, 104951, 113129, 132385, 136535, 159775, 185339, 214555, 238525, 300377, 374825, 421225, 524755, 565645, 661925, 682675, 791903, 926695, 1072775, 1244419, 1501885, 2623775, 2828225, 3959515, 4633475, 6222095, 7509425, 8710933, 19797575, 31110475, 43554665, 217773325]

約数ペア:

[(1, 217773325), (5, 43554665), (7, 31110475), (11, 19797575), (25, 8710933), (29, 7509425), (35, 6222095), (47, 4633475), (55, 3959515), (77, 2828225), (83, 2623775), (145, 1501885), (175, 1244419), (203, 1072775), (235, 926695), (275, 791903), (319, 682675), (329, 661925), (385, 565645), (415, 524755), (517, 421225), (581, 374825), (725, 300377), (913, 238525), (1015, 214555), (1175, 185339), (1363, 159775), (1595, 136535), (1645, 132385), (1925, 113129), (2075, 104951), (2233, 97525), (2407, 90475), (2585, 84245), (2905, 74965), (3619, 60175), (3901, 55825), (4565, 47705), (5075, 42911), (6391, 34075), (6815, 31955), (7975, 27307), (8225, 26477), (9541, 22825), (11165, 19505), (12035, 18095), (12925, 16849), (14525, 14993)]