172619930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 363121920

約数和(自身を除く): 190501990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 139, 157, 226, 278, 314, 565, 695, 785, 791, 973, 1099, 1130, 1390, 1570, 1582, 1946, 2198, 3955, 4865, 5495, 7910, 9730, 10990, 15707, 17741, 21823, 31414, 35482, 43646, 78535, 88705, 109115, 109949, 124187, 152761, 157070, 177410, 218230, 219898, 248374, 305522, 549745, 620935, 763805, 1099490, 1241870, 1527610, 2465999, 4931998, 12329995, 17261993, 24659990, 34523986, 86309965, 172619930]

約数ペア:

[(1, 172619930), (2, 86309965), (5, 34523986), (7, 24659990), (10, 17261993), (14, 12329995), (35, 4931998), (70, 2465999), (113, 1527610), (139, 1241870), (157, 1099490), (226, 763805), (278, 620935), (314, 549745), (565, 305522), (695, 248374), (785, 219898), (791, 218230), (973, 177410), (1099, 157070), (1130, 152761), (1390, 124187), (1570, 109949), (1582, 109115), (1946, 88705), (2198, 78535), (3955, 43646), (4865, 35482), (5495, 31414), (7910, 21823), (9730, 17741), (10990, 15707)]