210905110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1393

約数の個数: 64

約数和(自身を含む): 433097280

約数和(自身を除く): 222192170

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 215, 290, 377, 430, 559, 754, 1118, 1247, 1301, 1885, 2494, 2602, 2795, 3770, 5590, 6235, 6505, 12470, 13010, 16211, 16913, 32422, 33826, 37729, 55943, 75458, 81055, 84565, 111886, 162110, 169130, 188645, 279715, 377290, 490477, 559430, 727259, 980954, 1454518, 1622347, 2452385, 3244694, 3636295, 4904770, 7272590, 8111735, 16223470, 21090511, 42181022, 105452555, 210905110]

約数ペア:

[(1, 210905110), (2, 105452555), (5, 42181022), (10, 21090511), (13, 16223470), (26, 8111735), (29, 7272590), (43, 4904770), (58, 3636295), (65, 3244694), (86, 2452385), (130, 1622347), (145, 1454518), (215, 980954), (290, 727259), (377, 559430), (430, 490477), (559, 377290), (754, 279715), (1118, 188645), (1247, 169130), (1301, 162110), (1885, 111886), (2494, 84565), (2602, 81055), (2795, 75458), (3770, 55943), (5590, 37729), (6235, 33826), (6505, 32422), (12470, 16913), (13010, 16211)]