25187400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2028

約数の個数: 144

約数和(自身を含む): 96720000

約数和(自身を除く): 71532600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 1999, 2100, 2520, 3150, 3998, 4200, 5997, 6300, 7996, 9995, 11994, 12600, 13993, 15992, 17991, 19990, 23988, 27986, 29985, 35982, 39980, 41979, 47976, 49975, 55972, 59970, 69965, 71964, 79960, 83958, 89955, 99950, 111944, 119940, 125937, 139930, 143928, 149925, 167916, 179910, 199900, 209895, 239880, 251874, 279860, 299850, 335832, 349825, 359820, 399800, 419790, 449775, 503748, 559720, 599700, 629685, 699650, 719640, 839580, 899550, 1007496, 1049475, 1199400, 1259370, 1399300, 1679160, 1799100, 2098950, 2518740, 2798600, 3148425, 3598200, 4197900, 5037480, 6296850, 8395800, 12593700, 25187400]

約数ペア:

[(1, 25187400), (2, 12593700), (3, 8395800), (4, 6296850), (5, 5037480), (6, 4197900), (7, 3598200), (8, 3148425), (9, 2798600), (10, 2518740), (12, 2098950), (14, 1799100), (15, 1679160), (18, 1399300), (20, 1259370), (21, 1199400), (24, 1049475), (25, 1007496), (28, 899550), (30, 839580), (35, 719640), (36, 699650), (40, 629685), (42, 599700), (45, 559720), (50, 503748), (56, 449775), (60, 419790), (63, 399800), (70, 359820), (72, 349825), (75, 335832), (84, 299850), (90, 279860), (100, 251874), (105, 239880), (120, 209895), (126, 199900), (140, 179910), (150, 167916), (168, 149925), (175, 143928), (180, 139930), (200, 125937), (210, 119940), (225, 111944), (252, 99950), (280, 89955), (300, 83958), (315, 79960), (350, 71964), (360, 69965), (420, 59970), (450, 55972), (504, 49975), (525, 47976), (600, 41979), (630, 39980), (700, 35982), (840, 29985), (900, 27986), (1050, 23988), (1260, 19990), (1400, 17991), (1575, 15992), (1800, 13993), (1999, 12600), (2100, 11994), (2520, 9995), (3150, 7996), (3998, 6300), (4200, 5997)]