201439900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 465300080

約数和(自身を除く): 263860180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 97, 100, 190, 194, 380, 388, 475, 485, 950, 970, 1093, 1843, 1900, 1940, 2186, 2425, 3686, 4372, 4850, 5465, 7372, 9215, 9700, 10930, 18430, 20767, 21860, 27325, 36860, 41534, 46075, 54650, 83068, 92150, 103835, 106021, 109300, 184300, 207670, 212042, 415340, 424084, 519175, 530105, 1038350, 1060210, 2014399, 2076700, 2120420, 2650525, 4028798, 5301050, 8057596, 10071995, 10602100, 20143990, 40287980, 50359975, 100719950, 201439900]

約数ペア:

[(1, 201439900), (2, 100719950), (4, 50359975), (5, 40287980), (10, 20143990), (19, 10602100), (20, 10071995), (25, 8057596), (38, 5301050), (50, 4028798), (76, 2650525), (95, 2120420), (97, 2076700), (100, 2014399), (190, 1060210), (194, 1038350), (380, 530105), (388, 519175), (475, 424084), (485, 415340), (950, 212042), (970, 207670), (1093, 184300), (1843, 109300), (1900, 106021), (1940, 103835), (2186, 92150), (2425, 83068), (3686, 54650), (4372, 46075), (4850, 41534), (5465, 36860), (7372, 27325), (9215, 21860), (9700, 20767), (10930, 18430)]