211979700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{78511}}^1$

素因数の和:78534

約数の個数: 72

約数和(自身を含む): 681484160

約数和(自身を除く): 469504460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 78511, 157022, 235533, 314044, 392555, 471066, 706599, 785110, 942132, 1177665, 1413198, 1570220, 1962775, 2119797, 2355330, 2826396, 3532995, 3925550, 4239594, 4710660, 5888325, 7065990, 7851100, 8479188, 10598985, 11776650, 14131980, 17664975, 21197970, 23553300, 35329950, 42395940, 52994925, 70659900, 105989850, 211979700]

約数ペア:

[(1, 211979700), (2, 105989850), (3, 70659900), (4, 52994925), (5, 42395940), (6, 35329950), (9, 23553300), (10, 21197970), (12, 17664975), (15, 14131980), (18, 11776650), (20, 10598985), (25, 8479188), (27, 7851100), (30, 7065990), (36, 5888325), (45, 4710660), (50, 4239594), (54, 3925550), (60, 3532995), (75, 2826396), (90, 2355330), (100, 2119797), (108, 1962775), (135, 1570220), (150, 1413198), (180, 1177665), (225, 942132), (270, 785110), (300, 706599), (450, 471066), (540, 392555), (675, 314044), (900, 235533), (1350, 157022), (2700, 78511)]