148964840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{38393}}^1$

素因数の和:38501

約数の個数: 32

約数和(自身を含む): 338635080

約数和(自身を除く): 189670240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 38393, 76786, 153572, 191965, 307144, 383930, 767860, 1535720, 3724121, 7448242, 14896484, 18620605, 29792968, 37241210, 74482420, 148964840]

約数ペア:

[(1, 148964840), (2, 74482420), (4, 37241210), (5, 29792968), (8, 18620605), (10, 14896484), (20, 7448242), (40, 3724121), (97, 1535720), (194, 767860), (388, 383930), (485, 307144), (776, 191965), (970, 153572), (1940, 76786), (3880, 38393)]