49982940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{1889}}^1$

素因数の和:1921

約数の個数: 144

約数和(自身を含む): 180986400

約数和(自身を除く): 131003460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1889, 1890, 2205, 2646, 2940, 3778, 3780, 4410, 5292, 5667, 6615, 7556, 8820, 9445, 11334, 13223, 13230, 17001, 18890, 22668, 26446, 26460, 28335, 34002, 37780, 39669, 51003, 52892, 56670, 66115, 68004, 79338, 85005, 92561, 102006, 113340, 119007, 132230, 158676, 170010, 185122, 198345, 204012, 238014, 255015, 264460, 277683, 340020, 357021, 370244, 396690, 462805, 476028, 510030, 555366, 595035, 714042, 793380, 833049, 925610, 1020060, 1110732, 1190070, 1388415, 1428084, 1666098, 1785105, 1851220, 2380140, 2499147, 2776830, 3332196, 3570210, 4165245, 4998294, 5553660, 7140420, 8330490, 9996588, 12495735, 16660980, 24991470, 49982940]

約数ペア:

[(1, 49982940), (2, 24991470), (3, 16660980), (4, 12495735), (5, 9996588), (6, 8330490), (7, 7140420), (9, 5553660), (10, 4998294), (12, 4165245), (14, 3570210), (15, 3332196), (18, 2776830), (20, 2499147), (21, 2380140), (27, 1851220), (28, 1785105), (30, 1666098), (35, 1428084), (36, 1388415), (42, 1190070), (45, 1110732), (49, 1020060), (54, 925610), (60, 833049), (63, 793380), (70, 714042), (84, 595035), (90, 555366), (98, 510030), (105, 476028), (108, 462805), (126, 396690), (135, 370244), (140, 357021), (147, 340020), (180, 277683), (189, 264460), (196, 255015), (210, 238014), (245, 204012), (252, 198345), (270, 185122), (294, 170010), (315, 158676), (378, 132230), (420, 119007), (441, 113340), (490, 102006), (540, 92561), (588, 85005), (630, 79338), (735, 68004), (756, 66115), (882, 56670), (945, 52892), (980, 51003), (1260, 39669), (1323, 37780), (1470, 34002), (1764, 28335), (1889, 26460), (1890, 26446), (2205, 22668), (2646, 18890), (2940, 17001), (3778, 13230), (3780, 13223), (4410, 11334), (5292, 9445), (5667, 8820), (6615, 7556)]