212097900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{100999}}^1$

素因数の和:101023

約数の個数: 72

約数和(自身を含む): 701344000

約数和(自身を除く): 489246100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 100999, 201998, 302997, 403996, 504995, 605994, 706993, 1009990, 1211988, 1413986, 1514985, 2019980, 2120979, 2524975, 2827972, 3029970, 3534965, 4241958, 5049950, 6059940, 7069930, 7574925, 8483916, 10099900, 10604895, 14139860, 15149850, 17674825, 21209790, 30299700, 35349650, 42419580, 53024475, 70699300, 106048950, 212097900]

約数ペア:

[(1, 212097900), (2, 106048950), (3, 70699300), (4, 53024475), (5, 42419580), (6, 35349650), (7, 30299700), (10, 21209790), (12, 17674825), (14, 15149850), (15, 14139860), (20, 10604895), (21, 10099900), (25, 8483916), (28, 7574925), (30, 7069930), (35, 6059940), (42, 5049950), (50, 4241958), (60, 3534965), (70, 3029970), (75, 2827972), (84, 2524975), (100, 2120979), (105, 2019980), (140, 1514985), (150, 1413986), (175, 1211988), (210, 1009990), (300, 706993), (350, 605994), (420, 504995), (525, 403996), (700, 302997), (1050, 201998), (2100, 100999)]