399013380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22853}}^1$

素因数の和:22965

約数の個数: 72

約数和(自身を含む): 1222871832

約数和(自身を除く): 823858452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 22853, 45706, 68559, 91412, 114265, 137118, 205677, 228530, 274236, 342795, 411354, 457060, 685590, 822708, 1028385, 1371180, 2056770, 2216741, 4113540, 4433482, 6650223, 8866964, 11083705, 13300446, 19950669, 22167410, 26600892, 33251115, 39901338, 44334820, 66502230, 79802676, 99753345, 133004460, 199506690, 399013380]

約数ペア:

[(1, 399013380), (2, 199506690), (3, 133004460), (4, 99753345), (5, 79802676), (6, 66502230), (9, 44334820), (10, 39901338), (12, 33251115), (15, 26600892), (18, 22167410), (20, 19950669), (30, 13300446), (36, 11083705), (45, 8866964), (60, 6650223), (90, 4433482), (97, 4113540), (180, 2216741), (194, 2056770), (291, 1371180), (388, 1028385), (485, 822708), (582, 685590), (873, 457060), (970, 411354), (1164, 342795), (1455, 274236), (1746, 228530), (1940, 205677), (2910, 137118), (3492, 114265), (4365, 91412), (5820, 68559), (8730, 45706), (17460, 22853)]