212947900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17599}}^1$

素因数の和:17635

約数の個数: 54

約数和(自身を含む): 507953600

約数和(自身を除く): 295005700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 12100, 17599, 35198, 70396, 87995, 175990, 193589, 351980, 387178, 439975, 774356, 879950, 967945, 1759900, 1935890, 2129479, 3871780, 4258958, 4839725, 8517916, 9679450, 10647395, 19358900, 21294790, 42589580, 53236975, 106473950, 212947900]

約数ペア:

[(1, 212947900), (2, 106473950), (4, 53236975), (5, 42589580), (10, 21294790), (11, 19358900), (20, 10647395), (22, 9679450), (25, 8517916), (44, 4839725), (50, 4258958), (55, 3871780), (100, 2129479), (110, 1935890), (121, 1759900), (220, 967945), (242, 879950), (275, 774356), (484, 439975), (550, 387178), (605, 351980), (1100, 193589), (1210, 175990), (2420, 87995), (3025, 70396), (6050, 35198), (12100, 17599)]