37781100

素因数分解:

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

素因数の和:2029

約数の個数: 144

約数和(自身を含む): 138880000

約数和(自身を除く): 101098900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 1999, 2100, 2700, 3150, 3780, 3998, 4725, 5997, 6300, 7996, 9450, 9995, 11994, 13993, 17991, 18900, 19990, 23988, 27986, 29985, 35982, 39980, 41979, 49975, 53973, 55972, 59970, 69965, 71964, 83958, 89955, 99950, 107946, 119940, 125937, 139930, 149925, 167916, 179910, 199900, 209895, 215892, 251874, 269865, 279860, 299850, 349825, 359820, 377811, 419790, 449775, 503748, 539730, 599700, 629685, 699650, 755622, 839580, 899550, 1049475, 1079460, 1259370, 1349325, 1399300, 1511244, 1799100, 1889055, 2098950, 2518740, 2698650, 3148425, 3778110, 4197900, 5397300, 6296850, 7556220, 9445275, 12593700, 18890550, 37781100]

約数ペア:

[(1, 37781100), (2, 18890550), (3, 12593700), (4, 9445275), (5, 7556220), (6, 6296850), (7, 5397300), (9, 4197900), (10, 3778110), (12, 3148425), (14, 2698650), (15, 2518740), (18, 2098950), (20, 1889055), (21, 1799100), (25, 1511244), (27, 1399300), (28, 1349325), (30, 1259370), (35, 1079460), (36, 1049475), (42, 899550), (45, 839580), (50, 755622), (54, 699650), (60, 629685), (63, 599700), (70, 539730), (75, 503748), (84, 449775), (90, 419790), (100, 377811), (105, 359820), (108, 349825), (126, 299850), (135, 279860), (140, 269865), (150, 251874), (175, 215892), (180, 209895), (189, 199900), (210, 179910), (225, 167916), (252, 149925), (270, 139930), (300, 125937), (315, 119940), (350, 107946), (378, 99950), (420, 89955), (450, 83958), (525, 71964), (540, 69965), (630, 59970), (675, 55972), (700, 53973), (756, 49975), (900, 41979), (945, 39980), (1050, 35982), (1260, 29985), (1350, 27986), (1575, 23988), (1890, 19990), (1999, 18900), (2100, 17991), (2700, 13993), (3150, 11994), (3780, 9995), (3998, 9450), (4725, 7996), (5997, 6300)]