208013575

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 335871360

約数和(自身を除く): 127857785

約数列:

[1, 5, 7, 11, 25, 35, 43, 49, 55, 77, 175, 215, 245, 275, 301, 359, 385, 473, 539, 1075, 1225, 1505, 1795, 1925, 2107, 2365, 2513, 2695, 3311, 3949, 7525, 8975, 10535, 11825, 12565, 13475, 15437, 16555, 17591, 19745, 23177, 27643, 52675, 62825, 77185, 82775, 87955, 98725, 108059, 115885, 138215, 169807, 193501, 385925, 439775, 540295, 579425, 691075, 756413, 849035, 967505, 1188649, 2701475, 3782065, 4245175, 4837525, 5943245, 8320543, 18910325, 29716225, 41602715, 208013575]

約数ペア:

[(1, 208013575), (5, 41602715), (7, 29716225), (11, 18910325), (25, 8320543), (35, 5943245), (43, 4837525), (49, 4245175), (55, 3782065), (77, 2701475), (175, 1188649), (215, 967505), (245, 849035), (275, 756413), (301, 691075), (359, 579425), (385, 540295), (473, 439775), (539, 385925), (1075, 193501), (1225, 169807), (1505, 138215), (1795, 115885), (1925, 108059), (2107, 98725), (2365, 87955), (2513, 82775), (2695, 77185), (3311, 62825), (3949, 52675), (7525, 27643), (8975, 23177), (10535, 19745), (11825, 17591), (12565, 16555), (13475, 15437)]