1900143540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{53047}}^1$

素因数の和:53261

約数の個数: 72

約数和(自身を含む): 5792841600

約数和(自身を除く): 3892698060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 35820, 53047, 106094, 159141, 212188, 265235, 318282, 477423, 530470, 636564, 795705, 954846, 1060940, 1591410, 1909692, 2387115, 3182820, 4774230, 9548460, 10556353, 21112706, 31669059, 42225412, 52781765, 63338118, 95007177, 105563530, 126676236, 158345295, 190014354, 211127060, 316690590, 380028708, 475035885, 633381180, 950071770, 1900143540]

約数ペア:

[(1, 1900143540), (2, 950071770), (3, 633381180), (4, 475035885), (5, 380028708), (6, 316690590), (9, 211127060), (10, 190014354), (12, 158345295), (15, 126676236), (18, 105563530), (20, 95007177), (30, 63338118), (36, 52781765), (45, 42225412), (60, 31669059), (90, 21112706), (180, 10556353), (199, 9548460), (398, 4774230), (597, 3182820), (796, 2387115), (995, 1909692), (1194, 1591410), (1791, 1060940), (1990, 954846), (2388, 795705), (2985, 636564), (3582, 530470), (3980, 477423), (5970, 318282), (7164, 265235), (8955, 212188), (11940, 159141), (17910, 106094), (35820, 53047)]