291235890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38371}}^1$

素因数の和:38415

約数の個数: 64

約数和(自身を含む): 795681792

約数和(自身を除く): 504445902

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 38371, 76742, 115113, 191855, 230226, 383710, 422081, 575565, 844162, 882533, 1151130, 1266243, 1765066, 2110405, 2532486, 2647599, 4220810, 4412665, 5295198, 6331215, 8825330, 9707863, 12662430, 13237995, 19415726, 26475990, 29123589, 48539315, 58247178, 97078630, 145617945, 291235890]

約数ペア:

[(1, 291235890), (2, 145617945), (3, 97078630), (5, 58247178), (6, 48539315), (10, 29123589), (11, 26475990), (15, 19415726), (22, 13237995), (23, 12662430), (30, 9707863), (33, 8825330), (46, 6331215), (55, 5295198), (66, 4412665), (69, 4220810), (110, 2647599), (115, 2532486), (138, 2110405), (165, 1765066), (230, 1266243), (253, 1151130), (330, 882533), (345, 844162), (506, 575565), (690, 422081), (759, 383710), (1265, 230226), (1518, 191855), (2530, 115113), (3795, 76742), (7590, 38371)]