2097900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{37}}^1$

素因数の和:70

約数の個数: 180

約数和(自身を含む): 7982128

約数和(自身を除く): 5884228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 37, 42, 45, 50, 54, 60, 63, 70, 74, 75, 81, 84, 90, 100, 105, 108, 111, 126, 135, 140, 148, 150, 162, 175, 180, 185, 189, 210, 222, 225, 252, 259, 270, 300, 315, 324, 333, 350, 370, 378, 405, 420, 444, 450, 518, 525, 540, 555, 567, 630, 666, 675, 700, 740, 756, 777, 810, 900, 925, 945, 999, 1036, 1050, 1110, 1134, 1260, 1295, 1332, 1350, 1554, 1575, 1620, 1665, 1850, 1890, 1998, 2025, 2100, 2220, 2268, 2331, 2590, 2700, 2775, 2835, 2997, 3108, 3150, 3330, 3700, 3780, 3885, 3996, 4050, 4662, 4725, 4995, 5180, 5550, 5670, 5994, 6300, 6475, 6660, 6993, 7770, 8100, 8325, 9324, 9450, 9990, 11100, 11340, 11655, 11988, 12950, 13986, 14175, 14985, 15540, 16650, 18900, 19425, 19980, 20979, 23310, 24975, 25900, 27972, 28350, 29970, 33300, 34965, 38850, 41958, 46620, 49950, 56700, 58275, 59940, 69930, 74925, 77700, 83916, 99900, 104895, 116550, 139860, 149850, 174825, 209790, 233100, 299700, 349650, 419580, 524475, 699300, 1048950, 2097900]

約数ペア:

[(1, 2097900), (2, 1048950), (3, 699300), (4, 524475), (5, 419580), (6, 349650), (7, 299700), (9, 233100), (10, 209790), (12, 174825), (14, 149850), (15, 139860), (18, 116550), (20, 104895), (21, 99900), (25, 83916), (27, 77700), (28, 74925), (30, 69930), (35, 59940), (36, 58275), (37, 56700), (42, 49950), (45, 46620), (50, 41958), (54, 38850), (60, 34965), (63, 33300), (70, 29970), (74, 28350), (75, 27972), (81, 25900), (84, 24975), (90, 23310), (100, 20979), (105, 19980), (108, 19425), (111, 18900), (126, 16650), (135, 15540), (140, 14985), (148, 14175), (150, 13986), (162, 12950), (175, 11988), (180, 11655), (185, 11340), (189, 11100), (210, 9990), (222, 9450), (225, 9324), (252, 8325), (259, 8100), (270, 7770), (300, 6993), (315, 6660), (324, 6475), (333, 6300), (350, 5994), (370, 5670), (378, 5550), (405, 5180), (420, 4995), (444, 4725), (450, 4662), (518, 4050), (525, 3996), (540, 3885), (555, 3780), (567, 3700), (630, 3330), (666, 3150), (675, 3108), (700, 2997), (740, 2835), (756, 2775), (777, 2700), (810, 2590), (900, 2331), (925, 2268), (945, 2220), (999, 2100), (1036, 2025), (1050, 1998), (1110, 1890), (1134, 1850), (1260, 1665), (1295, 1620), (1332, 1575), (1350, 1554)]