18061400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 51949800

約数和(自身を除く): 33888400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 97, 98, 100, 133, 140, 152, 175, 190, 194, 196, 200, 245, 266, 280, 350, 380, 388, 392, 475, 485, 490, 532, 665, 679, 700, 760, 776, 931, 950, 970, 980, 1064, 1225, 1330, 1358, 1400, 1843, 1862, 1900, 1940, 1960, 2425, 2450, 2660, 2716, 3325, 3395, 3686, 3724, 3800, 3880, 4655, 4753, 4850, 4900, 5320, 5432, 6650, 6790, 7372, 7448, 9215, 9310, 9506, 9700, 9800, 12901, 13300, 13580, 14744, 16975, 18430, 18620, 19012, 19400, 23275, 23765, 25802, 26600, 27160, 33950, 36860, 37240, 38024, 46075, 46550, 47530, 51604, 64505, 67900, 73720, 90307, 92150, 93100, 95060, 103208, 118825, 129010, 135800, 180614, 184300, 186200, 190120, 237650, 258020, 322525, 361228, 368600, 451535, 475300, 516040, 645050, 722456, 903070, 950600, 1290100, 1806140, 2257675, 2580200, 3612280, 4515350, 9030700, 18061400]

約数ペア:

[(1, 18061400), (2, 9030700), (4, 4515350), (5, 3612280), (7, 2580200), (8, 2257675), (10, 1806140), (14, 1290100), (19, 950600), (20, 903070), (25, 722456), (28, 645050), (35, 516040), (38, 475300), (40, 451535), (49, 368600), (50, 361228), (56, 322525), (70, 258020), (76, 237650), (95, 190120), (97, 186200), (98, 184300), (100, 180614), (133, 135800), (140, 129010), (152, 118825), (175, 103208), (190, 95060), (194, 93100), (196, 92150), (200, 90307), (245, 73720), (266, 67900), (280, 64505), (350, 51604), (380, 47530), (388, 46550), (392, 46075), (475, 38024), (485, 37240), (490, 36860), (532, 33950), (665, 27160), (679, 26600), (700, 25802), (760, 23765), (776, 23275), (931, 19400), (950, 19012), (970, 18620), (980, 18430), (1064, 16975), (1225, 14744), (1330, 13580), (1358, 13300), (1400, 12901), (1843, 9800), (1862, 9700), (1900, 9506), (1940, 9310), (1960, 9215), (2425, 7448), (2450, 7372), (2660, 6790), (2716, 6650), (3325, 5432), (3395, 5320), (3686, 4900), (3724, 4850), (3800, 4753), (3880, 4655)]