251693820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3769}}^1$

素因数の和:3844

約数の個数: 144

約数和(自身を含む): 889237440

約数和(自身を除く): 637543620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3180, 3339, 3710, 3769, 4452, 4770, 5565, 6678, 7420, 7538, 9540, 11130, 11307, 13356, 15076, 16695, 18845, 22260, 22614, 26383, 33390, 33921, 37690, 45228, 52766, 56535, 66780, 67842, 75380, 79149, 105532, 113070, 131915, 135684, 158298, 169605, 199757, 226140, 237447, 263830, 316596, 339210, 395745, 399514, 474894, 527660, 599271, 678420, 791490, 799028, 949788, 998785, 1187235, 1198542, 1398299, 1582980, 1797813, 1997570, 2374470, 2397084, 2796598, 2996355, 3595626, 3995140, 4194897, 4748940, 5593196, 5992710, 6991495, 7191252, 8389794, 8989065, 11985420, 12584691, 13982990, 16779588, 17978130, 20974485, 25169382, 27965980, 35956260, 41948970, 50338764, 62923455, 83897940, 125846910, 251693820]

約数ペア:

[(1, 251693820), (2, 125846910), (3, 83897940), (4, 62923455), (5, 50338764), (6, 41948970), (7, 35956260), (9, 27965980), (10, 25169382), (12, 20974485), (14, 17978130), (15, 16779588), (18, 13982990), (20, 12584691), (21, 11985420), (28, 8989065), (30, 8389794), (35, 7191252), (36, 6991495), (42, 5992710), (45, 5593196), (53, 4748940), (60, 4194897), (63, 3995140), (70, 3595626), (84, 2996355), (90, 2796598), (105, 2397084), (106, 2374470), (126, 1997570), (140, 1797813), (159, 1582980), (180, 1398299), (210, 1198542), (212, 1187235), (252, 998785), (265, 949788), (315, 799028), (318, 791490), (371, 678420), (420, 599271), (477, 527660), (530, 474894), (630, 399514), (636, 395745), (742, 339210), (795, 316596), (954, 263830), (1060, 237447), (1113, 226140), (1260, 199757), (1484, 169605), (1590, 158298), (1855, 135684), (1908, 131915), (2226, 113070), (2385, 105532), (3180, 79149), (3339, 75380), (3710, 67842), (3769, 66780), (4452, 56535), (4770, 52766), (5565, 45228), (6678, 37690), (7420, 33921), (7538, 33390), (9540, 26383), (11130, 22614), (11307, 22260), (13356, 18845), (15076, 16695)]