230647960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{140639}}^1$

素因数の和:140691

約数の個数: 32

約数和(自身を含む): 531619200

約数和(自身を除く): 300971240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 140639, 281278, 562556, 703195, 1125112, 1406390, 2812780, 5625560, 5766199, 11532398, 23064796, 28830995, 46129592, 57661990, 115323980, 230647960]

約数ペア:

[(1, 230647960), (2, 115323980), (4, 57661990), (5, 46129592), (8, 28830995), (10, 23064796), (20, 11532398), (40, 5766199), (41, 5625560), (82, 2812780), (164, 1406390), (205, 1125112), (328, 703195), (410, 562556), (820, 281278), (1640, 140639)]